The elements of consciousness are the basic data of psychology.
In mathematics, the simplest questions often lead to the deepest insights.
The past is a foreign country; they do things differently there.
In the end, we only regret the chances we didn't take.
成功的关键在于坚持和持续改进。
The press is the best instrument for enlightening the mind of man, and improving him as a rational, moral and social being.