We learn the rope of life by untying its knots.

The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.

A truly great book should be read in youth, again in maturity and once more in old age, as a fine building should be seen by morning light, at noon and by moonlight.

We must learn to live together as brothers or perish together as fools.

He was a genius - that is to say, a man who does superlatively and without obvious effort something that most people cannot do by the uttermost exertion of their abilities.

All that is human must retrograde if it does not advance.

There is no nonsense so errant that it cannot be made the creed of the vast majority by adequate governmental action.

There is no nonsense so gross that society will not, at some time, make a doctrine of it and defend it with every weapon of communal stupidity.

To be a book-collector is to combine the worst characteristics of a dope fiend with those of a miser.

Every generation laughs at the old fashions, but follows religiously the new.