The sceptic will say, 'It may well be true that this system of equations is reasonable from a logical standpoint, but this does not prove that it corresponds to nature.' You are right, dear sceptic. Experience alone can decide on truth.

Man owes his strength in the struggle for existence to the fact that he is a social animal.

Persistence is the most powerful force on earth, it can move mountains.

Don't become a seeker of success. Become a person of value.

I admit that thoughts influence the body.

I am of the opinion that all the finer speculations in the realm of science spring from a deep religious feeling, and that without such feeling they would not be fruitful.

The intuitive mind is a sacred gift and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift.