Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving.

Albert is a very poor student. He is mentally slow, unsociable and is always daydreaming. He is spoiling it for the rest of the class. It would be in the best interests of all if he were removed from school immediately.

The measure of intelligence is the ability to change.

I cannot conceive of a God who rewards and punishes his [sic] creatures, or has a will of the type of which we are conscious ourselves.

It is my conviction that pure mathematical construction enables us to discover the concepts and the laws connecting them, which gives us the key to the understanding of nature ... In a certain sense, therefore, I hold it true that pure thought can grasp reality, as the ancients dreamed.

You never fail until you stop trying.

It was, of course, a lie what you read about my religious convictions, a lie which is being systematically repeated. I do not believe in a personal God and I have never denied this but have expressed it clearly. If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.