Worry which has a grip on many people's lives should not be given that much of a thought, as per many of the following quotes.

Worry often gives a small thing a big shadow. - Swedish proverb.

Worry is imagination misplaced. - Jim Eeibig.

You can't change the past but you can ruin a perfectly good present by worrying about future. - Unknown.

It is not work that kills, but worry. - Unknown.