"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

成功的真正标准是为子孙后代留下积极的遗产。

Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.

The earth gives us coal; our duty is to give back stewardship.

有时最普通的事物也能变得非凡。

当你把幸福掌握在手中的时候，它看起来总是微不足道，但当它不见的时候，你才会了解它是多么重要和珍贵。（5月30日之每日名言）

"Books are mirrors, but they are also windows."