Setting a good example for your children takes all the fun out of middle age.
Don't let ambition get so far ahead that it loses sight of the job at hand.
Change, not habit, is what gets most of us down; habit is the stabilizer of human society, change accounts for its progress.
Most of us regard good luck as our right, and bad luck as a betrayal of that right.
Early morning cheerfulness can be extremely obnoxious.
Know and believe in yourself and what others think won't disturb you.