To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

量子计算的发展是一次进入未知的旅程，每一步都揭示了新的谜题需要解决。

预测未来的最好方法就是创造它。

Purposive behavior in animals and men.

Words have the power to heal wounds or deepen them; the writer must choose wisely.

安全总是过度的，直到它不够为止。