Just because you believe in something does not mean that it is true.

Mathematics deals exclusively with the relations of concepts to each other without consideration of their relation to experience.

If you want to make your children brilliant, tell them fairy tales. If you want to make them more brilliant, tell them more fairy tales.

I believe, indeed, that overemphasis on the purely intellectual attitude, often directed solely to the practical and factual, in our education, has led directly to the impairment of ethical values.

The best design is the simplest one that works.

This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.

I cannot write in English, because of the treacherous spelling. When I am reading, I only hear it and am unable to remember what the written word looks like.