膨胀宇宙模型为宇宙的起源提供了一个可能的解释。
The inflationary universe model provides a possible explanation for the origin of the universe.
Confidence comes from preparation and knowing your stuff.
Money is a singular thing. It ranks with love as man's greatest source of joy. And with death as his greatest source of anxiety.
实证研究者最重要的技能不是数学，而是判断力。
阳光撒进头，仿若自由人。
History is the shadow cast by the present.
Progress happens when we stop blaming and start solving.