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.

Death is strong, but Life is stronger.

Set yourself earnestly to see what you are made to do, and then set yourself earnestly to do it.

Let us beware of losing our enthusiasms. Let us ever glory in something, and strive to retain our admiration for all that would ennoble, and our interest in all that would enrich and beautify our life.

The feet of the humblest may walk in the field Where the feet of the Holiest trod, This, then, is the marvel to mortals revealed.

To say 'well done'to any bit of good work is to take hold of the powers which have made the effort and strengthen them beyond our knowledge.

Those who help a child help humanity with an immediateness which no other help given to human creature in any other stage of human life can possibly give again.