The mind is intrinsically tranquil. Out of this tranquility, anxiety and confusion are born. If one sees and knows this confusion, then the mind is tranquil once more.
Ajahn ChahKnow and watch your heart. It's pure but emotions come to colour it. So let your mind be like a tightly woven net to catch emotions and feelings that come, and investigate them before you react.
Ajahn Chah