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.

It seemed to me a matter of course that we should all take our share of the burden of pain which lies upon the world.

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

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

Reverence for life, veneratio vitæ, is the most direct and at the same time the profoundest achievement of my will-to-live.

Not only is example the best way to teach, it is the only way.

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