Cicero

To this passion for discovering truth there is added a hungering, as it were, for independence, so that a mind well-moulded by Nature is unwilling to be subject to anybody save one who gives rules of conduct or is a teacher of truth or…

Thus we come to understand that what is true, simple, and genuine appeals most strongly to a man's nature.

And so, when we have leisure from the demands of business cares, we are eager to see, to hear, to learn something new, and we esteem a desire to know the secrets or wonders of creation as indispensable to a happy life.

First of all, Nature has endowed every species of living creature with the instinct of self-preservation, of avoiding what seems likely to cause injury to life or limb, and of procuring and providing everything needful for life--food…

For no phase of life, whether public or private, whether in business or in the home, whether one is working on what concerns oneself alone or dealing with another, can be without its moral duty; on the discharge of such duties depends all…

Although philosophy offers many problems, both important and useful, that have been fully and carefully discussed by philosophers, those teachings which have been handed down on the subject of moral duties seem to have the widest practical…