凡是合乎理性的都是现实的，凡是现实的都是合乎理性的。

心理学理论的检验标准是其对生活的适用性。

Leadership is not about being in charge. It is about taking care of those in your charge.

Success is stumbling from failure to failure with no loss of enthusiasm.

成功不是成为最好的，而是比昨天的自己更好。

Collaboration is the key to solving complex challenges in our industry.

美是真理的辉煌。

Sustainable quarrying isn't an option; it's our obligation to future generations.

It’s not what we do once in a while that shapes our lives, but what we do consistently.