"We plant seeds that will flower as results in our lives, so best to remove the weeds of anger, avarice, envy and doubt..."
"What a fool, quoth he, am I, thus to lie in a stinking dungeon, when I may as well walk at liberty! I have a key in my bosom, called Promise, that will, I am persuaded, open any lock in Doubting Castle."
"I respect faith, but doubt is what gets you an education."
"The trouble with the world is that the stupid are sure and the intelligent are full of doubt."