时间旅行是世界上最令人沮丧的事情。你无法改变任何事情，也无法阻止任何事情的发生。

The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.

I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.

I have lost the immortal part of myself, and what remains is bestial.