Success is the residue of planning.

No employment can be managed without arithmetic, no mechanical invention without geometry.

Pain wastes the Body, Pleasures the Understanding.

An Episcopalian divine once told the Pope that the only difference between their denominations was that "the Church of Rome is infallible and the Church of England is never in the wrong."

Happiness consists more in small conveniences or pleasures that occur every day, than in great pieces of good fortune that happen but seldom to a man in the course of his life.

In going on with these Experiments, how many pretty systems do we build, which we soon find ourselves oblig'd to destroy! If there is no other Use discover'd of Electricity, this, however, is something considerable, that it may help to make a vain Man humble.

We have been assured, Sir, in the Sacred Writings, that 'except the Lord build the House, they labor in vain that build it' I firmly believe this; by our partial local interests; our projects will be confounded, and we ourselves shall become a reproach and a by word down to future ages.