Tarzan of the Apes

by Edgar Rice Burroughs

How often must I urge you to seek that absolute concentration of your mental faculties which alone may permit you to bring to bear the highest powers of intellectuality upon the momentous problems which naturally fall to the lot of great minds? And now I find you guilty of a most flagrant breach of courtesy in interrupting my learned discourse to call attention to a mere quadruped of the genus felis.