Saint Bernard

In truth, opinion may be taken for understanding; understanding cannot be taken for opinion. How so? Surely because opinion may be deceived; understanding cannot be. If it could, it would not be understanding but opinion. For true understanding has not only certain truth, but the knowledge of truth.

Because impudence is a vice, it does not follow that modesty is a virtue; it is built upon shame, a passion in our nature, and may be either good or bad according to the actions performed from that motive.

We tend to run our whole life trying to avoid all that hurts or displeases us, noticing the objects, people, or situations that we think will give us pain or pleasure, avoiding one and pursuing the other.