The earth gives us coal; our duty is to give back stewardship.
自然知识的改进者绝对拒绝承认权威。对他来说,怀疑主义是最高的责任;盲目信仰是不可饶恕的罪过。
释义:世间繁杂的事情看之不尽,天下的书籍读之不尽,世界的道理参悟不尽。
When you start out in a team, you have to get the teamwork going and then you get something back.