This is so simple (though not always easy) that it's hard to believe how central it is to inner peace and the ability to navigate safely through life.

这很简单(虽然不一定容易做到)；很难相信它对于内心平和以及安全地渡过人生的能力来说有多么地重要。

youdao

My dream life is simple but it's not easy to come true.

我的梦想生活是简单但不容易成真。

youdao