Focus more on your desire than on your doubt, and the dream will take care of itself.

The physician who knows only medicine, knows not even medicine.

Sane and intelligent human beings are like all other human beings, and carefully and cautiously and diligently conceal their private real opinions from the world and give out fictitious ones in their stead for general consumption.

Work is a necessary evil to be avoided.

Life was a fairy-tale, then, it is a tragedy now. When I was 43 and John Hay 41 he said life was a tragedy after 40, and I disputed it. Three years ago he asked me to testify again: I counted my graves, and there was nothing for me to say. I am old; I recognize it but I don't realize it. I wonder if a person ever really ceases to feel young - I mean, for a whole day at a time.

Scientists have odious manners, except when you prop up their theory; then you can borrow money off them.

But they (the infantry) had no use for boys of twelve and thirteen, and before I had a chance in another war, the desire to kill people to whom I had not been introduced had passed away.