A scientific man ought to have no wishes, no affections, - a mere heart of stone.
Jests that give pains are not jests.
Courage is not simply one of the virtues, but the form of every virtue at the testing point.
I am not ashamed to confess that I am ignorant of what I do not know.
As I grow older, I pay less attention to what men say. I just watch what they do.
Rhyme, that enslaved queen, that supreme charm of our poetry, that creator of our meter.
The spirit of man is an inward flame; a lamp the world blows upon but never puts out.
You are 27 or 28 right? It is very tough to live at that age. When nothing is sure. I have sympathy with you.
Never go to a doctor whose office plants have died.
In the increasingly convincing darkness the words become palpable, like a fruit that is too beautiful to eat.
In order to be irreplaceable, one must always be different.
A friend doesn't go on a diet because you are fat.
Every man is guilty of all the good he did not do.
Courage is being scared to death... and saddling up anyway.
Reverence does not die with mortals, nor does it perish whether they live or die.
There is no real ending. It's just the place where you stop the story.
As long as we believe in absurdities we shall continue to commit atrocities.
If we all worked on the assumption that what is accepted as true is really true, there would be little hope of advance.
It does not do to dwell on dreams and forget to live.
Dare to risk public criticism.
People think I'm a miserable sod but it's only because I get asked such bloody miserable questions.