Sustainability isn't an option; it's a necessity for the future of energy.
可持续发展不是一种选择；它是能源未来的必要条件。
【释义】处理重大事务，贵在洞察本质、明辨是非且能果断决策；处理棘手难题，贵在融会贯通、灵活变通且能随机应变。
"Books are the keys to understanding ourselves and others."
解析：善恶由心生，非由外物定。