You might even be tempted to assume that humanity has little future to look forward to. But such gloominess is misplaced.

你可能不知不觉地认为人类的未来没什么好期待的。但其实我们也不应该很绝望。

We need to go out and shake all this gloominess.

我们需要出去走走 把沮丧统统抛开。