Making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect the conscience; as, an impressive discourse; an impressive scene.
People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents. Andrew Carnegie
Scientific views end in awe and mystery, lost at the edge in uncertainty, but they appear to be so deep and so impressive that the theory that it is all arranged as a stage for God to watch man's struggle for good and evil seems inadequate. Richard P. Feynman
Thunder is good, thunder is impressive; but it is lightning that does the work. Mark Twain
There is no dignity quite so impressive, and no one independence quite so important, as living within your means. Calvin Coolidge