So that God, by commanding to subdue, gave authority so far to appropriate: and the condition of human life, which requires labour and materials to w… - John Locke

The Indians, whom we call barbarous, observe much more decency and civility in their discourses and conversation, giving one another a fair silent hearing till they have quite done; and then answering them calmly, and without noise or passion. And if it be not so in this civiliz'd part of the world, we must impute it to a neglect in education, which has not yet reform'd this antient piece of barbarity amongst us.

To avoid this state of war (wherein there is no appeal but to heaven, and wherein every the least difference is apt to end, where there is no authority to decide between the contenders) is one great reason of men's putting themselves into society, and quitting the state of nature: for where there is an authority, a power on earth, from which relief can be had by appeal, there the continuance of the state of war is excluded, and the controversy is decided by that power.

When by these steps he has got resolution enough not to be deterr'd from what he ought to do, by the apprehension of danger; when fear does not, in sudden or hazardous occurrences, decompose his mind, set his body a-trembling, and make him unfit for action, or run away from it, he has then the courage of a rational creature: and such an hardiness we should endeavour by custom and use to bring children to, as proper occasions come in our way.