Sentence examples for a rigorous doctrine from inspiring English sources

How does weakening our grip on hell also weaken a rigorous doctrine of human freedom?

A rigorous fairness prevailed.

Eisenhower was a rigorous editor.

They have a rigorous curriculum.

Workdays have a rigorous time structure.

Medicine strives to be a rigorous science.

He is rightly urging a rigorous standard.

That job was a rigorous foundation.

He kept a rigorous touring schedule.

Washington already has a rigorous evaluation system.

This is a rigorous process".