膨胀是使宇宙变得平坦、均匀和各向同性的机制。
真相很少是简单的,而且往往比我们对自己说的谎言更痛苦。
If you do what you've always done, you'll get what you've always gotten.
随机实验是因果推理的黄金标准,但它们并不总是可行的。
The more we uncover, the more complex the story becomes.