Thankfulness is the beginning of gratitude. Gratitude is the completion of thankfulness. Thankfulness may consist merely of words. Gratitude is shown in acts.
For purposes of action nothing is more useful than narrowness of thought combined with energy of will.
Conquering any difficulty always gives one a secret joy, for it means pushing back a boundary-line and adding to one's liberty.
The man who has no inner-life is a slave to his surroundings.
Self-interest is but the survival of the animal in us. Humanity only begins for man with self-surrender.
Uncertainty is the refuge of hope.
