It is a melancholy ...

It is a melancholy consideration that there should be several among us so hardened and deluded as to think an oath a proper subject for a jest; and to make this, which is one of the most solemn acts of religion, an occasion of mirth. Yet such is the depravation of our manners at present, that nothing is more frequent than to hear profligate men ridiculing, to the best of their abilities, these sacred pledges of their duty and allegiance; and endeavouring to be witty upon themselves, for daring to prevaricate with God and man.
It is a melancholy consideration that there should be several among us so hardened and deluded as to think an oath a proper subject for a jest; and to make this, which is one of the most solemn acts of religion, an occasion of mirth. Yet such is the depravation of our manners at present, that nothing is more frequent than to hear profligate men ridiculing, to the best of their abilities, these sacred pledges of their duty and allegiance; and endeavouring to be witty upon themselves, for daring to prevaricate with God and man.

Quotes from the same author

True happiness arises, in the first place, from the enjoyment of oneself, and in the next, from the friendship and conversation of a few select companions.
He only is a great man who can neglect the applause of the multitude and enjoy himself independent of its favor.
Let freedom never perish in your hands.
Young men soon give, and soon forget, affronts; old age is slow in both.
An honest private man often grows cruel and abandoned when converted into an absolute prince. Give a man power of doing what he pleases with impunity, you extinguish his fear, and consequently overturn in him one of the great pillars of morality.