A clear conscience is a soft pillow.

问心无愧，高枕无忧。

I want to have a clear conscience.

我想有颗清白的良心。

A clear conscience is a sure card.

清楚的意识是一张真诚的卡片。

Up to now, I have had a clear conscience.

直到现在，我问心无愧。

We are trying, treasure, a clear conscience.

我们努力了，珍惜了，问心无愧。