Practice humility and patience.

I have made to God the offering you made to me of your heart and have asked him to unite mine with yours in that of Our Lord.

It is a ruse of the devil, by which he deceives good people, to induce them to do more than they are able, so that they end up not being able to do anything. The spirit of God urges one gently to do the good that can be done reasonably, so that it may be done perseveringly and for a long time.

[I]t is the maxim of the saints that when a matter has been decided in the presence of God after many prayers and the seeking of advice, we must reject and consider as a temptation whatever is suggested to the contrary.

You say you experience great difficulty in the mission. Alas! Monsieur, there is no lot in life where there is nothing to be endured.

But the blessed Bishop of Geneva taught his nuns another kind of prayer, which even the sick can make: to remain peacefully in the presence of God, manifesting our needs to Him with no other mental effort, like a poor person who uncovers his sores and by this means is more effective in inciting passers-by to do him some good than if he wore himself out trying to convince them of his need.

. . . [I]n the kingdom of charity, one prefers to suffer some inconvenience rather than inconvenience the neighbor.