Leisure and curiosity might soon make great advances in useful knowledge, were they not diverted by minute emulation and laborious trifles.

There is nothing too little for so little a creature as man. It is by studying little things that we attain the great art of having as little misery and as much happiness as possible.

All intellectual improvement arises from leisure

If a man does not make new acquaintances as he advances through life, he will soon find himself left alone. A man, sir, should keep his friendship in a constant repair.

Curiosity is, in great and generous minds, the first passion and the last

Curiosity is one of the permanent and certain characteristics of a vigorous intellect.