Men are like sheep, of which a flock is more easily driven than a single one.

As an exercise of the reasoning faculties, pure mathematics is an admirable exercise, because it consists of reasoning alone and does not encumber the student with any exercise of judgment.

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.

As one may bring himself to believe almost anything he is inclined to believe, it makes all the difference whether we begin or end with the inquiry, 'What is truth?'

It may be worth noticing as a curious circumstance, when persons past forty before they were at all acquainted form together a very close intimacy of friendship. For grafts of old wood to take, there must be a wonderful congeniality between the trees.

It is folly to expect men to do all that they may reasonably be expected to do.

It is a remarkable circumstance in reference to cunning persons that they are often deficient not only in comprehensive, far-sighted wisdom, but even in prudent, cautious circumspection.