Choice not chance determines your destiny [my family motto...credited to Aristotle]

Excellence is not an art. It is the habit of practice.

The habits we form from childhood make no small difference, but rather they make all the difference.

The laws are, and ought to be, relative to the constitution, and not the constitution to the laws. A constitution is the organization of offices in a state, and determines what is to be the governing body, and what is the end of each community. But laws are not to be confounded with the principles of the constitution; they are the rules according to which the magistrates should administer the state, and proceed against offenders.

It is clear, then, that the earth must be at the centre and immovable, not only for the reasons already given, but also because heavy bodies forcibly thrown quite straight upward return to the point from which they started, even if they are thrown to an infinite distance. From these considerations then it is clear that the earth does not move and does not lie elsewhere than at the centre.

...virtue is not merely a state in conformity with the right principle, but one that implies the right principle; and the right principle in moral conduct is prudence.

The chief forms of beauty are order and symmetry and definiteness, which the mathematical sciences demonstrate in a special degree.