“There are trivial truths and there are great truths. The opposite of a trivial truth is plainly false. The opposite of a great truth is also true.”

“You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.”

“The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.”

“It is the hallmark of any deep truth that its negation is also a deep truth”

“Every great and deep difficulty bears in itself it’s own solution. It forces us to change our thinking in order to find it.”

“There are some things so serious that you have to laugh at them.”

“Never express yourself more clearly than you are able to think”