Nothing is properly one's duty but what is also one's interest.

Garner up pleasant thoughts in your mind, for pleasant thoughts make pleasant lives.

It is an excellent rule to be observed in all disputes, that men should give soft words and hard arguments; that they should not so much strive to vex as to convince each other.

Science doesn't deliver even that much "truth"; it delivers empirically adequate generalisations, and that is all we need.

'Tis certain that our senses are extremely disproportioned for comprehending the whole compass and latitude of things.

Obscurity in writing is commonly an argument of darkness in the mind. The greatest learning is to be seen in the greatest plainness.

Nothing is properly one's duty but what is also one's interest.