There are no such things as applied sciences, only applications of science. - Louis Pasteur
ENTHUSIASM, n. A distemper of youth, curable by small doses of repentance in connection with outward applications of experience. Byron, who recovered long enough to call it "entuzy-muzy," had a relapse, which carried him off -- to Missolonghi. - Ambrose Bierce
An apprentice carpenter may want only a hammer and saw, but a master craftsman employs many precision tools. Computer programming likewise requires sophisticated tools to cope with the complexity of real applications, and only practice with these tools will build skill in their use.
Sometimes reputations outlive their applications. Sometimes fires don't go out when you're done playing with them.