Theorems are the permanent literature of mathematics.

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.

想大事，想长远。最大的风险是不承担任何风险。

我从来都不是天生的，我所做的只是不断尝试。

能源危机是一个可以解决的问题——如果我们现在行动的话。