We must be brave to face challenges and dare to break through ourselves.
I don't let anyone define me.
释义:天地顺自然而动,所以日月运行不会有差错,四季的更替也不会有差错。圣人顺自然之理而动,则刑罚清明而百姓顺服。
The 40% solution: The capacity to increase happiness is within our personal control.