These are the times that try men's souls.

真相很少是简单的，而且往往比我们对自己说的谎言更痛苦。

每一次挫折都是为了卷土重来做准备。

"Die Vergangenheit ist nie tot, sie ist nicht einmal vergangen."

数学的本质在于它的自由。

Every artwork is a frozen moment in a process of becoming.

If you lose or forget to bring a cable，adapter or charger，check with your hotel. Most hotels now have a drawer full of cables，adapters and chargers others have left behind，and probably have the one you are missing. You can often claim it after borrowing it.