To live in this world, you must be able to do three things: to love what is mortal; to hold it against your bones knowing your own life depends on it; and, when the time comes to let it go, to let it go. – Mary Oliver
Half the failures in life arise from pulling in the horse as he is leaping. – Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers
I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature. – John D. Rockefeller