The eye may see for the hand, but not for the mind.
Any fool can make a rule, and any fool will mind it.
Faith never makes a confession.
Sometimes you have to leave the world in order to learn how to live in it. Thoreau shunned society, went to the woods, and came back with a new understanding of life.
Don't get to the end of your life and realize you have never lived.
What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.