A people without children would face a hopeless future; a country without trees would face a future with even less hope.

When we invest in sustainable farming, we're investing in the health of our planet and its people.

We must learn from nature how to use resources efficiently.

The strength of a building is not just in its materials, but in the spirit of the people who use it.

Challenges are what make business interesting; overcoming them is what makes it rewarding.

I'm always looking for ways to improve.

Love is the only reality, and it is not a mere sentiment. It is the ultimate truth.

A true mathematician is always a student, always learning.

和平时期流汗越多，战争时期流血越少。