Concupiscence and force are the source of all our actions; concupiscence causes voluntary actions, force involuntary ones.
It is not good to be too free. It is not good to have all one wants.
The only shame is to have none.
Don't try to add more years to your life. Better add more life to your years.
The mind naturally makes progress, and the will naturally clings to objects; so that for want of right objects, it will attach itself to wrong ones.
Few men speak humbly of humility, chastely of chastity, skeptically of skepticism.