Newton's health, and confusion to mathematics.

All government is an evil, but, of the two form's of that evil, democracy or monarchy, the sounder is monarchy; the more able to do its will, democracy.

The longer a man lives in this world the more he must be convinced that all domestic quarrels had better never be obtruded on the public; for, let the husband be right, or let him be wrong, there is always a sympathy existing for women which is certain to give the man the worst of it.

Satan is to be punished eternally in the end, but for a while he triumphs.

It is highly convenient to believe in the infinite mercy of God when you feel the need of mercy, but remember also his infinite justice.

Genius is nothing more than common faculties refined to a greater intensity. There are no astonishing ways of doing astonishing things. All astonishing things are done by ordinary materials.

The safest principle through life, instead of reforming others, is to set about perfecting yourself.