The essence of life is statistical improbability on a colossal scale.
Whether I shall turn out to be the hero of my own life, or whether that station will be held by anybody else, these pages must show.
Wrinkles should merely indicate where the smiles have been.
I have no idea what's awaiting me, or what will happen when this all ends. For the moment I know this: there are sick people and they need curing.
In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection.
We are called to be architects of the future, not its victims.
Life would be tragic if it weren't funny.
I used to live in a room full of mirrors; all I could see was me. I take my spirit and I crash my mirrors, now the whole world is here for me to see.
If you've been playing poker for half an hour and you still don't know who the patsy is, you're the patsy.
Any place I hang my head is home.
The man who has no sense of history, is like a man who has no ears or eyes
Life did not intend to make us perfect. Whoever is perfect belongs in a museum.
To be interested in the changing seasons is . . . a happier state of mind than to be hopelessly in love with spring.
Death is not the opposite of life, but a part of it.
Life must be lived as play.
Old age is by nature rather talkative.
History has shown there are no invincible armies.
What is that you express in your eyes? It seems to me more than all the words I have read in my life.
The doctor of the future will give no medicine, but will interest her or his patients in the care of the human frame, in a proper diet, and in the cause and prevention of disease.
It's only terrible to have nothing to wait for.
Each person must live their life as a model for others.