Thinking consists in envisaging, realizing structural features and structural requirements.

Think wrongly, if you please, but in all cases, think for yourself.

Every decision we make today plants a seed for the forests of tomorrow.

矿业中的每个挑战都是重新定义未来的机会。

You cannot always control what goes on outside, but you can always control what goes on inside.

"The most thought-provoking thing in our thought-provoking time is that we are still not thinking."

I'm not perfect, but I'm trying every day to be better.