If you leave the smallest corner of your head vacant for a moment, other people's opinions will rush in from all quarters.

Disobedience, the rarest and most courageous of the virtues, is seldom distinguished from neglect, the laziest and commonest of the vices.

All progress depends on the unreasonable man.

The truth is, hardly any of us have ethical energy enough for more than one really inflexible point of honor.

A man of great common sense and good taste - meaning thereby a man without originality or moral courage.

A married man forms married habits and becomes dependent on marriage just as a sailor becomes dependent on the sea.

This is the true joy in life, the being used for a purpose recognized by yourself as a mighty one.