Everything has its wonders, even darkness and silence, and I learn, whatever state I may be in, therein to be content.

We differ, blind and seeing, one from another, not in our senses, but in the use we make of them, in the imagination and courage with which we seek wisdom beyond all senses.

The test of all beliefs is their practical effect in life. If it be true that optimism compels the world forward, and pessimism retards it, then it is dangerous to propagate a pessimistic philosophy.

It is certain that I cannot always distinguish my own thoughts from those I read, because what I read becomes the very substance and text of my mind.

Christmas Day is the festival of optimism.

I can see, and that is why I can be happy, in what you call the dark, but which to me is golden. I can see a God-made world, not a manmade world.

Instead of being satisfied to alleviate suffering, we shall labor hard and continually to prevent it.