Take subject matter equal to your powers, and ponder long, what your shoulders cannot bear, and what they can.
There are faults we would fain pardon.
Naturam expellas furca, tamen usque revenit. You can drive nature out with a pitchfork, she will nevertheless come back.
There is moderation in everything.
The snow has at last melted, the fields regain their herbage, and the trees their leaves.
The tendency of humanity is towards the forbidden.