The chief beginning of evil is goodness in excess.
He who labors diligently need never despair.
It is not hoary hairs that bring wisdom; some have an old head on young shoulders.
The school of hard knocks is an accelerated curriculum.
Being mortal, never pray for an untroubled life. Rather, ask the God to give you an enduring heart.
In many things it is not well to say, "Know thyself"; it is better to say, "Know others."