Para entender una ciencia …
Para entender una ciencia es necesario conocer su historia.
Para entender una ciencia es necesario conocer su historia.
Saber para prever, a fin de poder.
Sólo hay una máxima absoluta y es que no hay nada absoluto.
Aquel que tiene una opinión de sí mismo, pero depende de la opinión y los gustos de los demás, es un esclavo.
La gente generalmente confunde lo que leen en los periódicos con las noticias.
Un tropezón puede prevenir una caída.
Pide prudente consejo a los dos tiempos: al antiguo, sobre lo que es mejor; al moderno, sobre lo que es más oportuno.
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