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.
制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子,其中一些中子将再次产生裂变。