I don't like debt. Companies with a lot of debt are riskier.

Nature doesn’t have waste—everything is food for something else.

Diversification is the only free lunch in investing.

Innovation in quarrying isn't just about machinery; it's about vision and sustainability.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

When negotiating， don‘t aim for a bigger piece of the pie； aim to create a bigger pie.

"We are all so much more than we think we are."

十年寒窗苦读无人问津，一举成名天下皆知。