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.

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

It is not the bigness of anything in this kind that can hinder its motion, if the motive faculty be answerable thereunto. We see a great ship swims as well as a small cork, and an eagle flies in the air as well as a little gnat. 'Tis likely enough that there may be means invented of journeying to the Moon; and how happy they shall be that are first successful in this attempt.

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

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

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

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.