He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
The deepest sin against the human mind is to believe things without evidence.
The man who does not read good books has no advantage over the man who can't read them.
Reading is to the mind what exercise is to the body.
Make it a rule never to give a child a book you would not read yourself.
I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.
Never help a child with a task at which he feels he can succeed.
A witty saying proves nothing.
The real solution lies in a world in which charity will have become unnecessary.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
A cynic is a man who knows the price of everything, and the value of nothing.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Any sufficiently advanced technology is indistinguishable from magic.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
Knowledge, Action, Devotion are complementary to each other.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
Books are as useful to a stupid person as a mirror is useful to a blind person.
It is possible to fly without motors, but not without knowledge and skill.
The reading of all good books is like conversation with the finest men of past centuries.