All gaming, since it implies a desire to profit at the expense of another, involves a breach of the tenth commandment.

To be always thinking about your manners is not the way to make them good; the very perfection of manners is not to think about yourself.

Curiosity is as much the parent of attention, as attention is of memory.

Never argue at the dinner table, for the one who is not hungry gets the best of the argument.

As the telescope is not a substitute for, but an aid to, our sight, so revelation is not designed to supersede the use of reason, but to supply its deficiencies.

Vices and frailties correct each other, like acids and alkalies. If each vicious man had but one vice, I do not know how the world could go on.

Nothing but the right can ever be expedient, since that can never be true expediency which would sacrifice a great good to a less.