La ciencia se puede …
La ciencia se puede aprender de memoria, pero la sabiduría no.
La ciencia se puede aprender de memoria, pero la sabiduría no.
En el campo de la observación, la oportunidad sólo favorece a la mente preparada.
Hace falta vivir mucho tiempo para llegar a ser joven.
La naturaleza ha puesto en nuestras mentes un insaciable deseo de ver la verdad.
La constancia es la virtud por la que todas las obras dan su fruto.
Intenta no volverte un hombre de éxito, sino volverte un hombre de valor.
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