Whatever befalls in accordance with nature should be accounted good.

A mental stain can neither be blotted out by the passage of time nor washed away by any waters.

Nothing is too absurd to be said by some of the philosophers.

To know the laws is not to memorize their letter but to grasp their full force and meaning.

All pain is either severe or slight, if slight, it is easily endured; if severe, it will without doubt be brief.

Nature has circumscribed the field of life within small dimensions, but has left the field of glory unmeasured.

To be content with what we possess is the greatest and most secure of riches.