The first step in the evolution of ethics is a sense of solidarity with other human beings.

The doctor of the future will be oneself.

The highest proof of the spirit is love. Love the eternal thing which can already on earth possess as it really is.

The tragedy of life is what dies inside a man while he lives.

Ethics is nothing else than reverence for life.

Humanitarianism consists in never sacrificing a human being to a purpose.

Until he extends the circle of his compassion to all living things, man will not himself find peace.