For want of self-restraint many men are engaged all their lives in fighting with difficulties of their own making.

Commonplace though it may appear, this doing of one's duty embodies the highest ideal of life and character. There may be nothing heroic about it; but the common lot of men is not heroic.

Those who aren't making mistakes probably aren't making anything.

Help from without is often enfeebling in its effects, but help from within invariably invigorates.

Even happiness itself may become habitual. There is a habit of looking at the bright side of things, and also of looking at the dark side.

Opportunities ... fall in the way of every man who is resolved to take advantage of them.

Man cannot aspire if he looked down; if he rise, he must look up.