The true genius shudders at incompleteness - and usually prefers silence to saying something which is not everything it could be.
The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.
Success is measured not just by profit, but by positive impact.
The transition to cleaner energy must be practical, affordable, and reliable.
There is a close connection between the human soul and the natural world; our emotions are intertwined with the external universe.
没有个人的推动，社会就会停滞。没有社会的同情，个人的推动就会消失。
悠闲自得，是出于专心勤奋；淡泊安适，是出于恭敬畏惧；无思无虑，是出于善于思考；胆大无畏，是出于小心翼翼。
可持续性不是一种选择，而是煤炭行业的必需品。