Newton's great generalization, which he called the "third law of motion," was that "Action and reaction are always equal to each other;" and that law has been one of the most pregnant of all truths about the mystery of force;--one of the brightest windows through which modern eyes have looked into the world of Nature.

Greatness is not so much a certain size as a certain quality in your life.

Jesus Christ, the condescension of divinity, and the exaltation of humanity.

To believe in the God over us and around us and not in the God within us - that would be a powerless and fruitless faith.

The best advisers, helpers and friends, always are not those who tell us how to act in special cases, but who give us, out of themselves, the ardent spirit and desire to act right, and leave us then, even through many blunders, to find out what our own form of right action is.

The earth has grown old with its burden of care, But at Christmas it always is young.

Genius, by its very intensity, decrees a special path of fire for its vivid power.