The past is unchangeable, and the future is uncertain.

过去无法改变，未来尚不确定。

It doesn't dwell on the unchangeable past.

它不会纠缠于无法改变的过去。

Scientists used to believe that the brain was unchangeable and only degraded with age.

科学家过去认为，大脑是不可改变的，只会随着年龄的增长而退化。

An unchangeable series of things unraveling itself in eternal sequences of cause and effect.

一系列无法改变的事情以永恒的因果顺序展开。

You will eliminate the anxiety that comes from worrying about the unchangeable past or the unknowable future.

你将消除因担心不可改变的过去或不可知的未来而产生的焦虑。

" Unchanged and unchangeable, " was the reply.

“不变，不变，”是回答。

Rather than dismissing ourselves as unchangeable creatures of habit, we can instead direct our own change by consciously developing new habits.

与其否定自己是受习惯影响的一成不变的生物，不如通过有意识的培养新习惯来改变自己。

Be extraordinarily curious and don't assume the status quo is unchangeable.

非常好奇，不要假设现状是不可改变的。

Up on the heights, battalions of black pines witnessed the change, themselves unchangeable.

在高处，成群结队的黑松目睹了变化， 它们本身是不变的。

Rather than dismissing ourselves as unchangeable creatures of habit, we can instead direct our own change by consiciously developing new habits.

与其否定自己是受习惯影响的一成不变的生物，不如通过有意识的培养新习惯来改变自己。