Fly from the company of the wicked--fly and turn not back.

I prefer nothing, unless it is true.

Wise men speak because they have something to say

The seen is the changing, the unseen is the unchanging.

The doctors will treat those of your citizens whose physical and psychological constitution is good: as for the others, they will leave the unhealthy to die and those whose psychological constitution is incurably warped they will be put to death.

We do not learn; and what we call learning is only a process of recollection.

The cure of the part should not be attempted without treatment of the whole. No attempt should be made to cure the body without the soul. Let no one persuade you to cure the head until he has first given you his soul to be cured, for this is the great error of our day, that physicians first separate the soul from the body.