The best investment is in the tools of one’s own trade.

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

The future belongs to those who can adapt while staying true to their core values.

Liberty is the right to do what the law permits.

Writing is a way of keeping the past alive.

真相很少纯粹，也绝不简单。

Success is not about how much money you make, it’s about the difference you make in people’s lives.

Mathematics is not just about numbers—it's about patterns, structures, and relationships.

每一滴眼泪都是瀑布。