Compassion, in which all ethics must take root, can only attain its full breadth and depth if it embraces all living creatures and does not limit itself to mankind.

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

From naive simplicity we arrive at more profound simplicity.

We all owe to others much of the gentleness and wisdom that we have made our own; and we may well ask ourselves what will others owe to us

Man can no longer live his life for himself alone. We realize that all life is valuable and that we are united to all this life. From this knowledge comes our spiritual relationship to the universe.

We must all die. But that I can save him from days of torture, that is what I feel as my great and ever new privilege. Pain is a more terrible lord of mankind than even death itself.

It's supposed to be a secret, but I'll tell you anyway. We doctors do nothing. We only help. And encourage the doctor within.