It doesn't matter if an animal can reason. It matters only that it is capable of suffering and that is why I consider it my neighbor.

What we call love is in its essence reverence for life.

Not less strong than the will to truth must be the will to sincerity. Only an age, which can show the courage of sincerity, can possess truth, which works as a spiritual force within it.

There is within each of us a modulation, an inner exaltation, which lifts us above the buffetings with which events assail us. Likewise, it lifts us above dependence upon the gifts of events for our joy.

God much are the truly wealthy. So our inner happiness depends not on what we experience but on the degree of our gratitude to God, Gratitude — the Secret of Life.

All people are endowed with the faculty of compassion, and for this reason can develop the humanitarian spirit.

Today it is considered as exaggeration to proclaim constant respect for every form of life as being the serious demand of a rational ethic. But the time is coming when people will be amazed that the human race existed so long before it recognized that thoughtless injury to life is incompatible with real ethics. Ethics is in its unqualified form extended responsibility to everything that has life.