When a person has any real taste for the sciences, the first thing he perceives in the pursuit of them is that connection by which they mutually attract, assist, and enlighten each other, and that it is impossible to attain one without the assistance of the rest. Though the human understanding cannot grasp all, and one must ever be regarded as the principal object, yet if the rest are totally neglected, the favorite study is generally obscure; I was convinced that my resolution to improve was good and useful in itself, but that it was necessary I should change my method; I, therefore, had recourse to the encyclopaedia. I began by a distribution of the general mass of human knowledge into its various branches, but soon discovered that I must pursue a contrary course, that I must take each separately, and trace it to that point where it united with the rest: thus I returned to the general synthetical method, but returned thither with a conviction that I was going right. Meditation supplied the want of knowledge, and a very natural reflection gave strength to my resolutions, which was, that whether I lived or died, I had no time to lose; for having learned but little before the age of five-and-twenty, and then resolving to learn everything, was engaging to employ the future time profitably. I was ignorant at what point accident or death might put a period to my endeavors, and resolved at all events to acquire with the utmost expedition some idea of every species of knowledge, as well to try my natural disposition, as to judge for myself what most deserved cultivation. In the execution of my plan, I experienced another advantage which I had never thought of; this was, spending a great deal of time profitably. Nature certainly never meant me for study, since attentive application fatigues me so much, that I find it impossible to employ myself half an hour together intently on any one subject; particularly while following another person’s ideas, for it has frequently happened that I have pursued my own for a much longer period with success. After reading a few pages of an author with close application, my understanding is bewildered, and should I obstinately continue, I tire myself to no purpose, a stupefaction seizes me, and I am no longer conscious of what I read; but in a succession of various subjects, one relieves me from the fatigue of the other, and without finding respite necessary, I can follow them with pleasure. I took advantage of this observation in the plan of my studies, taking care to intermingle them in such a manner that I was never weary: it is true that domestic and rural concerns furnished many pleasing relaxations; but as my eagerness for improvement increased, I contrived to find opportunities for my studies, frequently employing myself about two things at the same time, without reflecting that both were consequently neglected.