爱与失去是同一枚硬币的两面；没有失去就没有爱。
"Love and loss are two sides of the same coin; you can’t have one without the other."
"The mind is its own place, and in itself can make a heaven of hell, a hell of heaven."
Were it left to me to decide whether we should have a government without newspapers, or newspapers without a government, I should not hesitate a moment to prefer the latter.
The heart is a fragile thing, but it is also the source of our greatest strength.
科学的美在于它让我们看到的不是世界的现状，而是它可能的样子。