There are certain things in ancient practices that are not worth adhering to.

Certain things you have to stumble on to. They can't be preprogrammed.

There are certain things you don't discuss with Ansel, especially if you don't agree.

There's a domino effect with certain things you say.

There's a drive in me that won't allow me to do certain things that are easy.

Certain things give you another perspective in life.