“Be kind, because everyone is having a really hard time.”

“Always be kind, for everyone is fighting a hard battle.”

“Be kind, for everyone you meet is fighting a harder battle.”

“I have hardly ever known a mathematician who was capable of reasoning.”

“Wise men talk because they have something to say; Fools, because they have to say something.”

“At the touch of love everyone becomes a poet.”

“I thought to myself: I am wiser than this man; neither of us probably knows anything that is really good, but he thinks he has knowledge, when he has not, while I, having no knowledge, do not think I have.”