Sentence examples for highest forms of credibility from inspiring English sources

Here's some background: Service in the infantry (especially wartime service) and passing the most rigorous training available (Ranger School or certain Marine schools) constitute, in many eyes, the highest forms of credibility in the military.

It is the highest form of morality".

Literature is the highest form of writing.

Grace holds the highest form of beauty.

Imitation is the highest form of flattery".

Your highest form of expression.

Imagination is the highest form of research.

Is dissent the highest form of patriotism?

It is a higher form of killing".

A higher form of life.

It's a higher form of science.