Continuous improvement is better than delayed perfection.
Progressive improvement beats delayed perfection.
....try the mustard, - a man can't know what turnips are in perfection without mustard.
A pilot must have a memory developed to absolute perfection. But there are two higher qualities which he also must have. He must have good and quick judgment and decision, and a cool, calm courage that no peril can shake.
The highest perfection of politeness is only a beautiful edifice, built, from the base to the dome, of ungraceful and gilded forms of charitable and unselfish lying.