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

Soldiers' graves are the greatest preachers of peace.

There are only three ways to teach a child. The first is by example, the second is by example, the third is by example.

True philosophy must start from the most immediate and comprehensive fact of consciousness: 'I am life that wants to live, in the midst of life that wants to live.

Think with great gratitude of those who have lighted the flame within us.

In the past we have tried to make a distinction between animals which we acknowledge have some value and other which, having none, can be liquidated when we wish. This standard must be abandoned. Everything that lives has value simply as a living thing, as one of the manifestations of the mystery that is life.

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