“Only the difference between truth and lies, courage and cowardice.”

“It is my belief... that the truth is generally preferable to lies.”

“The truth is always easier than a lie or an evasion - easier to deal with and easier to live with.”

“Dark times lie ahead of us and there will be a time when we must choose between what is easy and what is right.-Albus Dumbledore”

“Your devotion is nothing more than cowardice. You would not be here if you had anywhere else to go.”

“It was, he thought, the difference between being dragged into the arena to face a battle to the death and walking into the arena with your head held high. Some people, perhaps, would say that there was little to choose between the two ways, but Dumbledore knew - and so do I, thought Harry, with a rush of fierce pride, and so did my parents - that there was all the difference in the world.”

“I never know," Harry called to Hagrid over the noise of the cart, "What's the difference between a stalagmite and a stalactite?""Stalagmite's got an 'm' in it," said Hagrid.”