Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.
Prediction is very difficult, especially if it’s about the future.
A day without laughter is a day wasted.
An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.
Intelligence is the ability to adapt to change.
Juan de Mairena: La verdad es la verdad, dígala Agamenón o su porquero
El porquero: No me convence
Antonio Machado en Juan de Mairena