These lead us to take bye-paths and long turnings, and fritter away the strength that should be used in promoting a single aim.

Hence arise a multiplicity of hermaphrodite avocations and desultory studies, that terminate in nothing but vexation of spirit.

Let us suppose, for example, that Peter has made up his mind to be a lawyer." "I do not see any particular reason why Peter should not be a lawyer," said Jack.
"Nor I either; but unfortunately when Peter has pored a certain time over Coke upon Littleton, and other abstruse legal authorities, he accidentally witnesses a review; he throws down his books, and resolves to become a soldier." "After the manner and style of our Fritz," suggested Jack.
"He changes the Pandects for Polybius, and Gray's Inn for a military school.

All goes well for awhile; the idea of uniform helps him over the rudiments of fortification and the platoon exercise.

He passes two examinations creditably, but breaks down at the third, in consequence of which he throws away his sword in disgust.