"Knowledge is a treasure, but practice is the key to it."

"The great square has no corners. The great vessel is never full. The great sound is inaudible. The great image has no form."

"He who knows that enough is enough will always have enough."

"Empty your mind of all thoughts. Let your heart be at peace. Watch the turmoil of the world, but let your serenity remain intact."

"One who is too insistent on his own views finds few who agree with him."