定力本是佛家语，指理念坚固、心地清净、克制物欲、适应环境的意志和开启智慧、觉悟真理的心源。

Composure is actually a term of Buddhism, which refers to solid faith, peaceful heart, restricted material desire, environment adaptability, intellectual enlightenment and truth interpretation.

youdao

问：请告诉我，在神现有的真理上得坚固的根基是什么？

Q. Please tell me, what is the basis of being established in God's present truth?

youdao

我们的盼望具有一个坚固、本于真理的根基。

We have a firm, truth-based foundation for our hope.

youdao