"Those who know do not talk. Those who talk do not know."

"The sage rules by emptying their minds and filling their bellies, by weakening their wills and strengthening their bones."

"Empty your mind of all thoughts. Let your heart be at peace. Watch the turmoil of the world, but let your serenity remain. Return to the root. This is tranquility. This is returning to your destiny."

"Without going outside, you may know the whole world."

"Lightly given promises must meet with little trust."