“Do not pray for easy lives. Pray to be stronger men.” — John F. Kennedy · Address to the National Prayer Breakfast, 1963
“You are never strong enough that you don't need help.” — César Chávez · widely attributed, labor movement speeches
“It always seems impossible until it's done.” — Nelson Mandela · widely attributed, various speeches post-1990
“The man who moves a mountain begins by carrying away small stones.” — Confucius · attributed to Confucius, various collections
“If you have faith as small as a mustard seed, you can say to this mountain, 'Move from here to there,' and it will move.” — Jesus of Nazareth · Matthew 17:20, New International Version