“You must once and for all give up being worried about successes and failures. Don’t let that concern you. It’s your duty to go on working steadily day by day, quite quietly, to be prepared for mistakes, which are inevitable, and for failures.” Anton Chekov
Lillie-Put 
He says that whatever He puts in our hands to do, He’ll make it prosper 🙂
Amen and that is the reason we need not concern ourselves.
Exactly 🙂