When Christ came into the world, peace was sung; and when He went out of the world, peace was bequeathed.

People usually think according to their inclinations, speak according to their learning and ingrained opinions, but generally act according to custom.

Half of science is putting forth the right questions.

Some men covet knowledge out of a natural curiosity and inquisitive temper; some to entertain the mind with variety and delight; some for ornament and reputation; some for victory and contention; many for lucre and a livelihood; and but few for employing the Divine gift of reason to the use and benefit of mankind.

There is little friendship in the world, and least of all between equals.

It would be unsound fancy and self-contradictory to expect that things which have never yet been done can be done except by means which have never yet been tried.

For behavior, men learn it, as they take diseases, one of another.