But bethink you a moment if ye have strength and wish to follow.

I know not what sad and terrible sights we may have to encounter.

Think ye that ye can bear them?
Have ye the strength to go forward?
If not, I would have you go back ere you have reached the contamination." Janet looked at Gertrude, and Gertrude looked at Janet; but though there was great seriousness and awe in their faces, there was no fear.

Gertrude had gone through so much already within the walls of her home that she had no fear greater than that of remaining in helpless idleness there, alone with her own thoughts and memories.
As for Janet, she had much of the nature of her aunt--much of that eager, intense sympathy and compassion for the sick and suffering which has induced women in all ages to go forth in times of dire need, and risk their lives for their stricken and afflicted brethren.
So after one glance of mutual comprehension and sympathy, they both answered in one breath: "No, we will not turn back.

We will go with you.