数学中最重要的是理解概念,而不仅仅是记忆公式。
变化的速度要求我们忘记的和学习的一样多。
Silence is very important. The silence is just as important as the notes.
Optimism is a learned skill. Once you learn it, you can improve your life in every way.
Sustainable forestry is not just about cutting trees; it's about ensuring the future has forests to cherish.