There is no man more dangerous than one who does not doubt his own rightness.
A man's gotta do what a man's gotta do
He who plants a tree is a servant of God.
A ship does not sail with yesterday's wind.
A book is valuable not only for what it says but for what it makes you think, or causes you to remember. No matter what you wish to do or become there are books to teach you, help you, guide you.
Often I hear people say they do not have time to read. That's absolute nonsense. If one really wants to learn, one has to decide what is important. Spending an evening on the town? Attending a ball game? Or learning something that can be with you your life long.