这里一个重要的原则是，对你来说在生活中做出改变永远也不会太迟，尽管改变可能要花比你想象得更长的时间。

An important principle here is that it is never too late for you to make a change in your life, even though making the change may take longer than you think.

youdao

生活中有三样是不变的：改变，选择和原则。

There are three constants in life…change, choice and principles.

youdao

花上一段时间认真地观察你吃了些什么究竟做了些什么，制定出你需要改变什么和根据这些原则来适应你的生活方式。

Take a long, hard look at what you eat and how active you really are, work out what you need to change and use the following principles to adapt your lifestyle.

youdao