The poet's pen is mightier than the warrior's sword.

If you're not making mistakes, you're not trying hard enough.

实证研究中最重要的是要清楚你想要回答的问题。

Sustainability is no longer an option; it's a necessity for the future of leather tanning.

世界是一个黑暗的地方，但其中也有光明。你只需要去寻找。