我向我的朋友献上的这种忧郁的科学，涉及到一个自古以来被视为哲学真正领域的区域，但自从哲学转变为方法以来，这个区域已经陷入了知识的忽视、警句的奇想，最终被遗忘。
The melancholy science from which I make this offering to my friend relates to a region that from time immemorial was regarded as the true field of philosophy, but which, since the latter's conversion into method, has lapsed into intellectual neglect, sententious whimsy, and finally oblivion.
世界就是这样终结的，不是轰然巨响，而是一声呜咽。
我相信梦想的美丽和信仰的力量。
The pursuit of mathematical truth requires both intuition and rigor.