Sentence examples similar to foremost exception is from inspiring English sources

 Exceptions are just that: exceptions.

First and foremost is safety.

First and foremost is fearlessness.

First and foremost is category growth.

First and foremost is habitat destruction.

First and foremost is mentors.

First and foremost is Sandra Bullock.

First and foremost is love.

First and foremost is the omission of control groups.

First and foremost is obtaining journal endorsement for the CONSORT PRO Extension.

First and foremost is the question of novelty.