All happiness or unhappiness solely depends upon the quality of the object to which we are attached by love.
Upon this first, and in one sense this sole, rule of reason, that in order to learn you must desire to learn, and in so desiring not be satisfied with what you already incline to think, there follows one corollary which itself deserves to be inscribed upon every wall of the city of philosophy: Do not block the way of inquiry.
How can I explain this? Why is it you can never hope to describe the emotion Africa creates?You are lifted.Out of whatever pit, unbound from whatever tie, released from whatever fear. You are lifted and you see it all from above. Your pit, your ties, your fear. you are lifted, you slowly rise like a hot-air balloon, and all you see is the space and the endless possibilities for losing yourself in it.
Urban people, of course, are terribly scared nowadays. They may yearn for society, but it is risky to go around talking to strangers, for a lot of reasons, one being that people are so accustomed not to have many human contacts that they are afraid they may find out they really prefer life that way.
A science only advances with certainty, when the plan of inquiry and the object of our researches have been clearly defined; otherwise a small number of truths are loosely laid hold of, without their connexion being perceived, and numerous errors, without being enabled to detect their fallacy.