You never know what motivates you.
Only the educated are free.
If you think you can do it, you can.
Without hard work, nothing grows but weeds.
Be thine own palace, or the world's thy jail.
Who seeks shall find.
Be kind whenever possible. It is always possible.
Never complain and never explain.
It's always too early to quit.
Well done is better than well said.
Even philosophers will praise war as ennobling mankind, forgetting the Greek who said: 'War is bad in that it begets more evil than it kills.'
Science is organized knowledge. Wisdom is organized life.