When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around. But when I got to be twenty-one, I was astonished at how much the old man had learned in seven years.
—Mark Twain
- action
- attitude
- balance
- chance
- change
- communication
- competing
- confidence
- courage
- difficulty
- education
- experience
- failure
- faith
- fear
- genius
- greatness
- happiness
- honesty
- hope
- imagination
- joyful living
- knowledge
- leadership
- learning
- life
- marriage
- mistakes
- money
- motivation
- persuasion
- problems
- selling
- service
- study
- success
- thinking
- time
- time management
- winning
- work