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

The truest politeness comes of sincerity.

Politeness goes far, yet costs nothing.

It is the close observation of little things which is the secret of success in business, in art, in science, and in every pursuit of life.

Time is of no account with great thoughts, which are as fresh to -day as when they first passed through their authors' minds ages ago.

Good sense, disciplined by experience and inspired by goodness, issues in practical wisdom.

The career of a great man remains an enduring monument of human energy. The man dies and disappears, but his thoughts and acts survive and leave an indelible stamp upon his race.