对我来说，无畏不是没有恐惧，不是完全不害怕。对我来说，无畏是有恐惧，有怀疑，有很多怀疑。对我来说，无畏是每天依然生活下去。

I believe that the best way to preserve and grow wealth is through a diversified portfolio of high-quality stocks, bonds, and other investments.

I don't let setbacks stop me. They make me stronger.

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.

The only limits you have are the ones you set for yourself.

奈奎斯特准则提供了一种图形方法来确定闭环系统的稳定性。