Confine yourself to the present.
When you have trouble getting out of bed in the morning, remember that your defining characteristic-what defines a human being-is to work with others.
I am an old man and have had many worries, but most have never come to pass.
Short is the little which remains to thee of life. Live as on a mountain.
No one was ever injured by the truth; but he who persists in self-deception and ignorance is injured.
Because a thing seems difficult for you, do not think it impossible for anyone to accomplish.