相信我，这世上没有“他们”。（U2《Invisible》的歌词：“There's no them / There’s only us”）
The development of MRI has revolutionized the field of medical imaging, allowing us to see inside the human body in ways that were previously unimaginable.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
The goal of mathematics is to understand the structures that underlie the phenomena we observe.