And what has Don Quixote left, do you ask? I answer, he has left himself, and a man, a living and eternal man, is worth all the theories and all the … - Miguel de Unamuno

«¿Por qué el diminutivo es señal de cariño? –iba diciéndose Augusto camino de su casa–. ¿Es acaso que el amor achica la cosa amada?

There may be a rationalist who has never wavered in his conviction of the mortality of the soul, and there may be a vitalist who has never wavered in his faith in immortality; but at the most this would prove that just as there are natural monstrosities, so there are those who are stupid as regards heart and feeling, however great their intelligence, and those who are stupid intellectually, however great their virtue. But, in normal cases, I cannot believe those who assure me that never, not in a fleeting moment, not in the hours of direst loneliness and grief, has this murmur of uncertainty breathed upon their consciousness.

The skeptic does not mean him who doubts, but him who investigates or researches, as opposed to him who asserts and thinks that he has found.