Thrift is care and scruple in the spending of one's means. It is not a virtue and it requires neither skill nor talent.
The only thing that is good without qualification is a good will.
Genius is the ability to independently arrive at and understand concepts that would normally have to be taught by another person.
Physicians think they do a lot for a patient when they give his disease a name.
Prudence reproaches; conscience accuses.
Act in such a way that you will be worthy of being happy.