逻辑学的研究是关于正确推理原则的研究。

The spread of liberal democracy and the integration of the world economy have created a situation in which the only legitimate form of government is one that is based on popular sovereignty and respects basic human rights.

这个世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。

幸福是短暂的。它不会停留。上帝在击打它的风帆。

I don't chase dreams, I catch them.

创新并不是对每件事都说“是”，而是对除了最关键功能之外的一切说“不”。