人类留下的痕迹往往是伤痕。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
我总是试图在我扮演的每一个角色中找到真相。
表演不是要成为不同的人。它是在明显不同的事物中找到相似之处,然后在那里找到自己。
Every artist dips his brush in his own soul, and paints his own nature into his pictures.