If you're not moving forward, you're falling behind.

The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.

情绪是进化出来的适应机制，用于协调其他心理机制解决特定的适应性问题。

降临在我们身上的不幸总是最严重的。