Optimism is a learned skill. Once you learn it, you can improve your life in every way.
我不喜欢安逸，我喜欢挑战自己。
Behavior is determined by the interaction of drive and habit strength.
麦克斯韦方程式不足以设计电动机不是计算机的错。
Art is contemplation. It is the pleasure of the mind which searches into nature and which there divines the spirit of which nature herself is animated.
You’ll get 10x better results by elevating good behavior rather than punishing bad behavior， especially in children and animals.