"No one can avoid becoming what others believe you to be."
In the depth of winter, I finally learned that within me there lay an invincible summer.
对黑洞的研究将我们带到了理解的边缘,在那里已知的物理定律失效,新的理论必须出现。
领导者必须有勇气为长期利益做出艰难的决定,即使这些决定在短期内不受欢迎。