Perish the thought that you must wait for something or someone before you embark on your chosen enterprise.

请消灭这个想法——在从事选定的事业之前，你必须等待某事或某人。

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And could we imagine another world, it must also have constant rules, or it would inevitably perish.

而若我们能想象有另一个世界，则那个世界也一定有其不变的法则，否则它必然会崩坏。

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We must plan our civilization or we must perish.

我们必须规划我们的文明，否则我们必定毁灭。

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They must merge soon, or perish.

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