Live and let live
Definition 1 of 1
Pro Tip 1/3Non-judgmental
Emphasizes accepting differences without judging others for how they choose to live. 
He's got some unconventional beliefs, but I say live and let live.
Pro Tip 2/3Freedom ethos
Reflects a belief in allowing others the freedom to do as they please, as long as it doesn't harm anyone. 
Yes, they're a bit noisy, but we all just live and let live around here.
Pro Tip 3/3Conflict avoidance
Used to avoid arguments or discord when there's disagreement or disapproval of others' actions. 
I'd rather not start an argument, so I just live and let live.