每一次科学发现都是对自然界的一次新的对话，它让我们更接近宇宙的奥秘。
Man is defined as a human being and a woman as a female — whenever she behaves as a human being she is said to imitate the male.
Your theory is crazy, but it's not crazy enough to be true.
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
"The future is a concept—it exists only in our minds."