Growth happens outside your comfort zone.
"I always try to stay positive, even when things are not going my way."
Natural selection has shaped our minds as well as our bodies.
为全人类提供食物的战斗已经结束。为未来全人类提供食物的战斗才刚刚开始。
对别人有利的事就去做，对别人不利的事就停止。