Seneca

"Our doubts are traitors that make us lose the good we oft might win."

"Great empires are not felled by external armies but internal corruption."

"Beauty fades, but the mind endures."

"To learn to live is to learn to die."

"Every new beginning comes from some other beginning's end."

"The art of living is more like wrestling than dancing."

"Time is the only thing no man can buy."

"A man dies daily and yet lives on."

"Excessive joy produces what excessive sorrow does—insensibility."

"The greatest poverty is want of friends."

"That which you cannot control cannot control you."

"Wisdom does not show itself so much in precept as in life."

"We are not living, we are merely existing."

"It is not death that is dreadful, but the shame of living unworthily."

"The time for action is now."

"You will die; so too will everyone you love."

"A man who is afraid of death will never enjoy life."

"What cannot be changed must be borne with patience."

"The mind is a powerful tool; use it wisely."

"Anger at the right time and the right place is not against human reason."

"Money gives power, but only virtue gives happiness."

"Few people have the strength to endure continuous prosperity without deterioration of character."

"The good of the many does not mean the harm of the few."

"What is unjust cannot be expedient."

"The great business of man is to improve his mind."

"He who would have noble counsel must first listen to it."

"Anger is a short madness."

"The measure of wisdom is to observe moderation."

"I judge myself with more severity than the law judges criminals."