We must needs believe in the other life, in the eternal life beyond the grave. ...And we must needs believe in that other life, perhaps, in order tha… - Miguel de Unamuno

And he arrives at the cogito ergo sum, which St. Augustine had already anticipated... "I think therefore I am," can only mean "I think, therefore I am a thinker"; this being of "I am," which is deduced from "I think," is merely a knowing; this being is a knowledge, but not life. And the primary reality is not that I think, but that I live, for those also live who do not think. Although this living may not be a real living. God! what contradictions when we seek to join in wedlock life and reason!

Los hombres no sucumbimos a las grandes penas ni a las grandes alegrías, y es porque esas penas y esas alegrías vienen embozadas en una inmensa niebla de pequeños incidentes. Y la vida es esto, la niebla. La vida es una nebulosa

There is no true love save in suffering, and in this world we have to choose either love, which is suffering, or happiness. And love leads us to no other happiness than that of love itself and its tragic consolation of uncertain hope. The moment love becomes happy and satisfied, it no longer desires and it is no longer love. The satisfied, the happy, do not love; they fall asleep in habit, near neighbor to annihilation. To fall into a habit is to begin to cease to be. We are the more — that is the more divine — the greater our capacity for suffering, or rather, for anguish.