天地本有固定的运行规律，日月本有自身的光明，星辰本有自身的序列，禽兽各有群体，树木本就直立，先生你也依仿自然天性行事，顺着自然规律前进，这已经是极好的了。

所有的真理一旦被发现，都很容易理解；关键在于发现它们。

If you don’t take risks, you’ll never know what you could have achieved.

所有事情在被证明为不可能之前都是可能的，甚至不可能的事情也可能只是目前如此。

"The marks humans leave are too often scars."

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life.

The future of coal lies in clean and efficient utilization.

"A book is a dream that you hold in your hand."