The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
我是个幸存者,我不会放弃,我不会停下,我会更加努力。
The details are not the details; they make the design.
The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.
The P versus NP problem is one of the most important unsolved problems in computer science.