历史学家必须怀有一种信念：人类不会也不能灭亡。
The historian must have a kind of faith that humanity will not and cannot perish.
"The only way to do great work is to love what you do."
The best picture books are those that respect the child’s intelligence and imagination.
The future of energy lies in balancing today’s needs with tomorrow’s responsibilities.
Focus on what you're good at.