Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.
努力永远不会停止。
人生即使有百年之期,但夭折、长寿、困厄或通达都无法预先知道。