“Nothing is too much trouble.” — Edward Kirby Bonds

“To perceive is to suffer.” — Aristotle, ancient Greek philosopher

“He is a hard man who is only just, and a sad one who is only wise.” — Francois Marie Arouet de Voltaire, 18th-century French author, wit and philosopher

“The gem cannot be polished without friction.” — Chinese proverb

“Adversity introduces a man to himself.” — Unknown

“We cannot learn without pain.” — Aristotle, ancient Greek philosopher

“There is no greater sorrow than to recall a happy time in the midst of wretchedness.” — Dante Alighieri, 13th/14th-century Italian poet

“You should not suffer the past. You should be able to wear it like a loose garment, take it off and let it drop.” — Eva Jessye

“The beauty of the soul shines out when a man bears with composure one heavy mischance after another, not because he does not feel them, but because he is a man of high and heroic temper.” — Aristotle, ancient Greek philosopher