To learn and from time to time to apply what one has learned - isn't that a pleasure?
Don't do unto others what you don't want others to do unto you.
The commander of the forces of a large State may be carried off, but the will of even a common man cannot be taken from him.
Reading without thinking will confuse you.Thinking without reading will place you in danger.
A ruthless man extends his ruthlessness from those he does not love to those he loves.
He who keeps danger in mind, is he who will rest safe in his seat; he who keeps ruin in mind, is he who will preserve his interests secure.