拿一个物体。对它做点什么。再对它做点别的。
The past is a foreign country; they do things differently there.
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
成功不在于成为最好的,而在于在努力中保持一贯和坚持。
科学家们似乎仍未充分理解,所有地球科学都必须为揭示地球早期状态提供证据。