Reason is a light that God has kindled in the soul.

Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in.

Even the best of men in authority are liable to be corrupted by passion. We may conclude then that the law is reason without passion, and it is therefore preferable to any individual.

Now that practical skills have developed enough to provide adequately for material needs, one of these sciences which are not devoted to utilitarian ends [mathematics] has been able to arise in Egypt, the priestly caste there having the leisure necessary for disinterested research.

The man with a host of friends who slaps on the back everybody he meets is regarded as the friend of nobody.

But since there is but one aim for the entire state, it follows that education must be one and the same for all, and that the responsibility for it must be a public one, not the private affair which it now is, each man looking after his own children and teaching them privately whatever private curriculum he thinks they ought to study.

It is the characteristic of the magnanimous man to ask no favor but to be ready to do kindness to others.