Knowing what you don’t know is more useful than being brilliant.
Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.
The past is never dead. It's not even past.
成功不僅僅是達(dá)到頂峰，而是在攀登的過程中幫助他人。
今天我們必須負(fù)責(zé)任地開采煤炭，這樣我們的孩子才能繼承能源安全和健康的環(huán)境。