我们靠获得的东西生存。但我们靠给予的东西生活。
抱最好的希望，做最坏的打算。
Mathematics is not a spectator sport; you have to play to understand.
The spread of liberal democracy has been accompanied by the spread of a global culture that is increasingly homogeneous.
Sustainability is not just about planting trees; it's about ensuring that every action we take today doesn't compromise the future.
I don't need a reason to be resilient.