Self-denial is the best riches.

Shun no toil to make yourself remarkable by some talent or other; yet do not devote yourself to one branch exclusively. Strive to get clear notions about all. Give up no science entirely; for science is but one.

It is part of the cure to wish to be cured.

Let ease and rest at times be given to the weary.

Let tears flow of their own accord; their flowing is not inconsistent with inward peace and harmony.

Be harsh with yourself at times.

As gratitude is a necessary, and a glorious virtue, so also it is an obvious, a cheap, and an easy one; so obvious that wherever there is life there is a place for it; so cheap, that the covetous man may be gratified without expense, and so easy that the sluggard may be so likewise without labor.