怀疑是通向真理的第一步。

The night is a great cathedral, but the stars are its windows.

Sustainability must be the cornerstone of modern quarry operations, not an afterthought.

A tannery's wastewater is the truest measure of its values.

领导力意味着在不确定性中采取行动，并在混乱中找到秩序。

译文：巧妙的如同车辕，笨拙的如同风筝。比喻各有其用。