If to talk to oneself when alone is folly, it must be doubly unwise to listen to oneself in the presence of others.
Baltasar GracianKnow how to ask. There is nothing more difficult for some people, nor for others, easier.
Baltasar GracianTwo kinds of people are good at foreseeing danger: those who have learned at their own expense, and the clever people who learn a great deal at the expense of others.
Baltasar Gracian