The mind begins to boggle at unnatural substances as things paradoxical and incomprehensible.

Guilt upon the conscience, like rust upon iron, both defiles and consumes it, gnawing and creeping into it, as that does which at last eats out the very heart and substance of the metal.

It is the work of fancy to enlarge, but of judgment to shorten and contract; and therefore this must be as far above the other as judgment is a greater and nobler faculty than fancy or imagination.

Flints may be melted - we see it daily - but an ungrateful heart cannot be; not by the strongest and noblest flame.

Similes prove nothing, but yet greatly lighten and relieve the tedium of argument.

Speech was given to the ordinary sort of men, whereby to communicate their mind; but to wise men, whereby to conceal it.

There is not the least flower but seems to hold up its head, and to look pleasantly, in the secret sense of the goodness of its Heavenly Maker.