If there were no bad people, there would be no good lawyers.
The great difficulty in education is to get experience out of ideas.
The ability to observe without evaluating is the highest form of intelligence.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Books are for people who wish they were somewhere else.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
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.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
The progressive development of man is vitally dependent on invention.
Never help a child with a task at which he feels he can succeed.
Show me a family of readers, and I will show you the people who move the world.
We could never learn to be brave and patient, if there were only joy in the world
Many much-learned men have no intelligence.
It is beyond a doubt that all our knowledge begins with experience.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
In mathematics you don't understand things. You just get used to them.
The secret of life is not enjoyment but education through experience.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
It is what you read when you don't have to that determines what you will be when you can't help it.
A witty saying proves nothing.