therefore

He will acquire wealth.

But if we ask for the proof that every industrious man acquires wealth, we find the facts wanting—for the idle are often rich, and the diligent poor. The industrious may acquire wealth, the chances are in their favour.

Again.

We must cherish self-respect,
Because self-respect is the stay of virtue.

The suppressed proposition is—'We must cherish whatever is the stay of virtue.'

The whole syllogism then stands thus:—

We must cherish whatever is the stay of virtue,
Self-respect is the stay of virtue,

therefore

We must cherish self-respect.