Theme
Knowledge
Learning, education, and the pursuit of understanding.
Every quote here is provenance-checked. AI will happily put a fake quote on a beautiful slide — these are the ones you can actually use, with the right name on them.
Ready for your slide
Verified quotes about knowledge
Each is traced to a real source and correctly credited. ✓ Free to use = public domain, cleared for commercial reuse. Open one for a paste-ready credit line and its reuse status.
“A book must be the axe for the frozen sea within us”
“A little learning is a dangerous thing”
“Do not only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine”
“Education is the most powerful weapon which you can use to change the world”
“Education is the passport to the future”
“He knows nothing, and thinks that he knows; I neither know nor think that I know”
“He who learns but does not think, is lost”
“I am always doing what I can't do yet in order to learn how to do it”
“I think, therefore I am”
“If I have seen further it is by standing on the shoulders of giants”
“Imagination is more important than knowledge”
“Knowing is not enough; we must apply. Willing is not enough; we must do”
“Knowledge itself is power”
“Learning without thought is labour lost; thought without learning is perilous”
“Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind”
“Much learning does not teach understanding”
“Nothing is too wonderful to be true, if it be consistent with the laws of nature”
“One child, one teacher, one book, one pen can change the world”
“Organize, agitate, educate must be our war cry”
“Science and everyday life cannot and should not be separated”
“Science is the great antidote to the poison of enthusiasm and superstition”
“That brain of mine is something more than merely mortal, as time will show”
“The limits of my language mean the limits of my world”
“Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do”
“When you know a thing, to hold that you know it; and when you do not know a thing, to allow that you do not know it — this is knowledge”
“A child miseducated is a child lost”
“Be less curious about people and more curious about ideas”
“Chance favors the prepared mind”
“Education is a progressive discovery of our own ignorance”
“Eureka! I have found it!”
“Give me a place to stand, and I shall move the earth”
“Marconi is a good fellow. Let him continue. He is using seventeen of my patents”
“Nothing in life is to be feared, it is only to be understood”
“Real knowledge is to know the extent of one's ignorance”
“Wonder is the beginning of wisdom”
No public-domain quotes on this theme yet — try another, or use an in-copyright one with attribution.
Don’t get caught out
Commonly shared about knowledge — but misattributed
Popular knowledge lines that get pinned on the wrong name. If you use one, credit it correctly.
“A little knowledge is a dangerous thing”
ReallyAlexander Pope
“A mathematician is a blind man in a dark room looking for a black cat which isn't there”
ReallyOrigin unknown (anonymous) · not Charles Darwin
“An investment in knowledge pays the best interest”
ReallyUnknown (19th-century American press)
“Compound interest is the eighth wonder of the world. He who understands it, earns it; he who doesn't, pays it”
ReallyAnonymous advertising copywriter · not Albert Einstein
“Education is not the filling of a pail, but the lighting of a fire”
ReallyPlutarch
“Education is the kindling of a flame, not the filling of a vessel”
ReallyPlutarch · not Socrates
“Elementary, my dear Watson”
ReallyUnknown · not Arthur Conan Doyle
“Empathy is the highest form of knowledge”
ReallyBill Bullard · not Plato
“Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid”
ReallyUnknown — falsely credited to Einstein · not Albert Einstein
“Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime”
ReallyAnne Isabella Thackeray Ritchie · not Lao Tzu
“He who knows not, and knows not he knows not, is a fool; shun him. He who knows not, and knows he knows not, is simple; teach him. He who knows, and knows not he knows, is asleep; awaken him. He who knows, and knows he knows, is wise; follow him”
ReallyAn anonymous proverb (documented as an “Arabic” / Oriental saying) · not Bruce Lee
“He who opens a school door, closes a prison”
ReallyLouis-Charles Jourdan · not Victor Hugo
“I hear and I forget. I see and I remember. I do and I understand”
ReallyXúnzǐ (Xun Kuang) · not Confucius
“I know that I know nothing”
ReallySocrates · not Socrates
“If you can't explain it simply, you don't understand it well enough”
ReallyUnknown — a modern saying · not Albert Einstein
“If you don't read the newspaper, you are uninformed. If you do read the newspaper, you are misinformed”
ReallyUnknown (a late-20th-century coinage) · not Mark Twain
“If you have an apple and I have an apple and we exchange these apples then you and I will still each have one apple. But if you have an idea and I have an idea and we exchange these ideas, then each of us will have two ideas”
ReallyCharles F. Brannan (apple version); origin traces to an anonymous 1917 magazine advertisement · not George Bernard Shaw
“If you only knew the magnificence of the 3, 6 and 9, then you would have the key to the universe”
ReallyNikola Tesla · not Nikola Tesla