Who said "I hate most people. There are times when I hate myself."?

This quote is attributed to Ron Swanson.

I hate most people. There are times when I hate myself. - Ron Swanson

"I hate most people. There are times when I hate myself."

Ron Swanson

"I have no time for games or riddles. I'm a simple man with simple tastes."

"Never half-ass two things. Whole-ass one thing."

"The best way to understand the human experience is to read the letters of great men."

"Breakfast food is my favorite food group. Breakfast food can be eaten at any time of day."