I would not take it upon my conscience that anything produced by my mind should be used to bring them comfort.

"Three of those brutes will not weigh heavier than one upon my conscience."

The provisions in his will have preyed upon my conscience.

And now let us see, young man, with your hand upon your conscience, how did all this come to pass?

That he shouldn't let these peoples' ignorance or judgment weigh upon his conscience.

One would not want to fight with a debt of honor upon his conscience.

A few days before she had done a dreadful thing, and it weighed upon her conscience.

There are two things which have been upon my conscience these three years.

And I consider it unadvisable to lay too great a strain upon one's conscience.

I did not want that horror upon my conscience.