“It is hard to find a friend,' I said. 'It is the hardest thing in this world,' he agreed.”
“To think is easy. To act is hard. But the hardest thing in the world is to act in accordance with your thinking.”
“A constant FRIEND is a thing rare and hard to find.”
“Forgiving was the hardest thing. Sometimes forgiving was the hardest thing in the whole world.”
“Well, I hate to tell you this," she said, "but your friend is an asshole.""He's not my friend," said Simon. "And I couldn't agree with you more, actually."-Maia & Simon about Jace, pg.49-”
“the hardest thing in this world is to live in it (:”