A person may cause evil to others not only by his actions but by his inaction, and in either case he is justly accountable to them for the injury.

There is nothing which an untrained mind shows itself more hopelessly incapable, than in drawing the proper general conclusions from its own experience. And even trained minds, when all their training is on a special subject, and does not extend to the general principles of induction, are only kept right when there are ready opportunities of verifying their inferences by facts.

Is there any moral enormity which might not be justified by imitation of such a Deity?

With equality of experience and of general faculties, a woman usually sees much more than a man of what is immediately before her.

The principles which men profess on any controverted subject are usually a very incomplete exponent of the opinions they really hold.

If two or more instances of the phenomenon under investigation have only one circumstance in common, the circumstance in which alone all the instances agree is the cause (or effect) of the given phenomenon.

There are many truths of which the full meaning cannot be realized until personal experience has brought it home.