The capacity for hope is the most significant fact of life.

Words have to be crafted, not sprayed. They need to be fitted together with infinite care.

We are wide-eyed in contemplating the possibility that life may exist elsewhere in the universe, but we wear blinders when contemplating the possibilities of life on earth.

You are younger today than you will ever be again. Make use of it for the sake of tomorrow.

Nothing is more essential in the treatment of serious disease than the liberation of the patient from panic and foreboding.

The conquest of war and the pursuit of social justice... must become our grand preoccupation and magnificent obsession.

The essence of man is imperfection. Failure is simply a price we pay to achieve success. If we learn to embrace that new definition of failure, then we are free to start moving ahead - and failing forward.