The most ignorant are the boldest conjecturers.

Keep your hands clean and pure from the infamous vice of corruption, a vice so infamous that it degrades even the other vices thatmay accompany it. Accept no present whatever; let your character in that respect be transparent and without the least speck, for as avarice is the vilest and dirtiest vice in private, corruption is so in public life.

Nothing convinces persons of a weak understanding so effectually, as what they do not comprehend.

Young men are apt to think themselves wise enough, as drunken men are apt to think themselves sober enough.

The receipt to make a speaker, and an applauded one too, is short and easy. Take common sense quantum sufficit; add a little application to the rules and orders of the House [of Commons], throw obvious thoughts in a new light, and make up the whole with a large quantity of purity, correctness and elegancy of style. Take it for granted that by far the greatest part of mankind neither analyze nor search to the bottom; they are incapable of penetrating deeper than the surface.

I really know nothing more criminal, more mean, and more ridiculous than lying. It is the production either of malice, cowardice, or vanity; and generally misses of its aim in every one of these views; for lies are always detected, sooner or later.

It is hard to say which is the greatest fool: he who tells the whole truth, or he who tells no truth at all. Character is as necessary in business as in trade. No man can deceive often in either.