In case my life should end with the cannibals, I hope they will write on my tombstone, 'We have eaten Dr. Schweitzer. He was good to the end.'

Example is leadership.

Every start on an untrodden path is a venture which only in unusual circumstances looks sensible and likely to succeed.

Ethics is in its unqualified form extended responsibility with regard to everything that has life.

We must never allow the voice of humanity within us to be silenced. It is humanity's sympathy with all creatures that first makes us truly human.

The great fault of all ethics hitherto has been that they believed themselves to have to deal only with the relations of man to man. In reality, however, the question is what is his attitude to the world and all life that comes within his reach.

The great secret of success is to go through life as a man who never gets used to failing.