We can turn an egg into an omelet, but not an omelet into an egg; we remember yesterday, but not tomorrow; we are born, grow older, and die, never the reverse.

我们记得昨天发生的，可不会记得明天能发生的。我们出生、成长、衰老然后死亡，这个顺序从来不会颠倒。

youdao

If new neurons are being formed every day in our brain, how can we hold onto these cells and not let them simply die away?

如果大脑中新生神经元每天都在不断形成，那我们怎样才能维持这些细胞，不让它们轻易凋亡呢？

youdao

I may die, all of the people I have ever known and loved may die, but I can at least ensure that we will not be forgotten.

我会死去，所有我认识的人和我爱的人都会死去，但是我至少能确保我们将不会被遗忘。

youdao

We must not allow children to die from this disease if it can be prevented.

BBC: Meningitis B vaccine gets European licence

The genome has been deciphered and it is not the case that we can predict at a young age when people will die or even what nasty diseases they will get in old age.

FORBES: Gene Tests That Predict When You Will Die