don't sweat the small stuff

Meaning

1. used to tell sb not to worry about small details or unimportant things

In the movies · 1

• Don't sweat the small stuff. You'll drown.Source Code2011

From the same entry

• be in a sweat
• break sweat
• no sweat
• blood, sweat and tears
• don't sweat it
• sweat blood
• slog your guts out
• sweat off
• sweat it out