市场不能替代政府，政府也不能替代市场。

The only limits that exist are the ones you place on yourself.

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.

我们从不把成功视为理所当然。

在数学研究中，坚持是关键；许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。