Trust, therefore, for the overcoming of a difficulty, not to long-continued study after you have once become bewildered, but to repeated trials at intervals.

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.

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

When any person of really eminent virtue becomes the object of envy, the clamor and abuse by which he is assailed is but the sign and accompaniment of his success in doing service to the public. And if he is a truly wise man, he will take no more notice of it than the moon does of the howling of the dogs. Her only answer to them is to shine on.

Women never reason, or, if they do, they either draw correct inferences from wrong premises, or wrong inferences from correct premises; and they always poke the fire from the top.

It is not that pearls fetch a high price because men have dived for them; but on the contrary, men have dived for them because they fetch a high price.

A man is called selfish not for pursuing his own good, but for neglecting his neighbor's.