The mathematics of high achievement

Evil and good are everywhere, like shadow and substance; inseparable (for men) yet not hostile, only opposed.

It is a mathematical fact that the casting of this pebble from my hand alters the centre of gravity of the universe.

Men do less than they ought, unless they do all they can.

It is great, and there is no other greatness-to make one nook of God's Creation more fruitful, better, more worthy of God; to make some human heart a little wiser, manlier, happier-more blessed.

O thou who art able to write a book which once in the two centuries or oftener there is a man gifted to do, envy not him whom they name city-builder, and inexpressibly pity him whom they name conqueror or city-burner.

Infinite is the help man can yield to man.