فقدان الشيء يعلمنا قيمته أحيانا .

“Philosophy ... is a science, and as such has no articles of faith; accordingly,…”

“...it is only the hope of what is claimed that begets and nurishes the wish;”

“عادة ما تقابل أعظم إنجازات العقل البشري بالشك”

“Por sabedoria entendo a arte de tornar a vida mais agradável e feliz possível.”