If some great Power would agree to make me always think what is true and do what is right, on condition of being turned into a sort of clock and wound up every morning before I got out of bed, I should instantly close with the offer.
If a little knowledge is dangerous, where is a man who has so much as to be out of danger?
Irrationally held truths may be more harmful than reasoned errors.
It is the customary fate of new truths to begin as heresies
and to end as superstitions.
Logical consequences are the scarecrows of fools and the beacons of wise men.
Veracity is the heart of morality.
The great end of life is not knowledge but action.
It is the customary fate of new truths to begin as heresies and to end as superstitions.
Man is an intelligence in servitude to his organs.
If a little knowledge is dangerous, where is the man who has so much as to be out of danger?
Every great advance in natural knowledge has involved the absolute rejection of authority.
I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.
Too much consistency is as bad for the mind as for the body.
Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not.
Experience is not what happens to a man; it is what a man does with what happens to him.
The vast majority of human beings dislike and even dread all notions with which they are not familiar. Hence it comes about that at their first appearance innovators have always been derided as fools and madmen.
Maybe this world is another planet's Hell.
To be well informed, one must read quickly a great number of merely instructive books. To be cultivated, one must read slowly and with a lingering appreciation the comparatively few books that have been written by men who lived, thought, and felt with style.
Try to learn something about everything and everything about something.
The great tragedy of scienceâthe slaying of a beautiful hypothesis by an ugly fact.
What you get out depends on what you put in; and as the grandest mill in the world will not extract wheat-flour from peascods, so pages of formulae will not get a definite result out of loose data.
Perhaps the most valuable result of al education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not.
Thought is the labour of the intellect, reverie is its pleasure.
If a little knowledge is dangerous, where is the man who has so much as to be out of danger?
Every great advance in natural knowledge has involved the absolute rejection of authority.