如果你觉得失去了一切，请记住，树木每年都会落叶，但它们依然挺立，等待更好的日子。
"If you feel like you're losing everything, remember that trees lose their leaves every year and they still stand tall and wait for better days."
The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
技术进步不可阻挡，但它必须为人类服务。
Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.
在科学中，最美丽的时刻往往来自意想不到的结果。