the ruder lecturers are, and the louder their voices, the more converts they make to their opinions.

it is the brevity of life which makes it tolerable; its experiences have value because they have an end.

But questioning does not mean the end of loving, and loving does not mean the abnegation of intelligence

It's the things you don't do, not the things you do, you feel most sorry for.

Question everyone in authority, and see that you get sensible answers to your questions ... questioning does not mean the end of loving, and loving does not mean the abnegation of intelligence. Vow as much love to your country as you like ... but, I implore you, do not forget to question.

We each live in a private, distorted, individual world - stars turning in space, warmed for a moment by each other's light, then lost in infinite distance.

There's never been a lack of men willing to die bravely. The trouble is to find a few able to live sensibly.