John Warren

“You live as if you were destined to live forever, no thought of your frailty ever enters your head, of how much time has already gone by you take no heed. You squander time as if you drew from a full and abundant supply, though all the while that day which you bestow on some person or thing is perhaps your last.”
― Seneca, On the Shortness of Life: Life Is Long if You Know How to Use It

“It is impossible for a man to learn what he thinks he already knows.”
― Epictetus

“Human beings may hate a distant enemy in theory, but they generally prefer to kill their neighbors.”
― Ralph Peters, Wars of Blood and Faith: The Conflicts That Will Shape the Twenty-First Century

“Memory says, 'I did that.' Pride replies, 'I could not have done that.' Eventually, memory yields.”
― Friedrich Nietzsche