A little knowledge is a dangerous thing. So is a lot.
Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.
Imagination is more important than knowledge.
It is possible to fly without motors, but not without knowledge and skill.
The ability to observe without evaluating is the highest form of intelligence.
Don't worry that children never listen to you; worry that they are always watching you.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
The real solution lies in a world in which charity will have become unnecessary.
A witty saying proves nothing.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Knowledge, Action, Devotion are complementary to each other.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Books are as useful to a stupid person as a mirror is useful to a blind person.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
To every action there is always an equal and opposite or contrary, reaction
A thought is an idea in transit.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.