If you want to live a happy life, tie it to a goal, not to people or objects.

The thinking that got us to where we are is not the thinking that will get us to where we want to be.

Study and, in general, the pursuit of truth and beauty is the sphere in which we are permitted to remain children all our lives." "Study and, in general, the pursuit of truth and beauty is the sphere in which we are permitted to remain children all our lives.

You never fail until you stop trying.

I should very much like to remain in the darkness of not having been analyzed.

Communities tend to be guided less than individuals by conscience and a sense of responsibility. How much misery does this fact cause mankind! It is the source of wars and every kind of oppression, which fill the earth with pain, sighs and bitterness.

Real sign of intelligence isn't knoweldge, it's imagination