You have such serious duties before you.

You are on the eve of making your invention known.

It seems to me that something has bedimmed your sight, and that you will perhaps act wrongly in this respect, through failing to take due account of the problem before you.

Perhaps there is something better to be done....
At all events, suffer if it be necessary, but remain faithful to your ideal." Then, quitting him with a maternal smile, she sought to soften her somewhat stern words by adding: "You have compelled me to speak unnecessarily, for I am quite at ease; with your superior mind, whatever be in question, you can but do the one right thing that none other would do." On finding himself alone Guillaume fell into feverish uncertainty.

What was the meaning of Mere-Grand's enigmatical words?
He knew that she was on the side of whatever might be good, natural, and necessary.