The most original sin is not the thinker's but the poet's.
The only time a man thinks is when he's alone.
It may be impossible to have a revolution without crimes but that does not make revolution a crime.
In French literature, you can choose a la carte; in Spanish literature, there is only the set meal.
A rocket is an experiment; a star is an observation.
Better than succeeding little by little is failing at one go.