The secret of all good writing is sound judgment.
Consider well what your strength is equal to, and what exceeds your ability.
Plant no other tree before the vine.
Undeservedly you will atone for the sins of your fathers.
No one is born without vices, and he is the best man who is encumbered with the least.
Success in the affairs of life often serves to hide one's abilities, whereas adversity frequently gives one an opportunity to discover them.