我爱那些能在困境中微笑、在困苦中汲取力量、在反思中变得勇敢的人。
Short-term gains at the expense of the environment will always lead to long-term losses.
The beauty of mathematics is that it allows us to see patterns and structures in the world that are not immediately obvious.
过去不是静止的。它随着我们移动和变化。