If everything when it occupies an equal space is at rest, and if that which is in locomotion is always occupying such a space at any moment, the flying arrow is therefore motionless.

One who faces and who fears the right things and from the right motive, in the right way and at the right time, posseses character worthy of our trust and admiration.

The so-called Pythagoreans, who were the first to take up mathematics, not only advanced this subject, but saturated with it, they fancied that the principles of mathematics were the principles of all things.

The most perfect political community is one in which the middle class is in control, and outnumbers both of the other classes.

In general, what is written must be easy to read and easy to speak; which is the same.

Every man should be responsible to others, nor should any one be allowed to do just as he pleases; for where absolute freedom is allowed, there is nothing to restrain the evil which is inherent in every man.

It is impossible, or not easy, to alter by argument what has long been absorbed by habit