I shall endeavor still further to prosecute this inquiry, an inquiry I trust not merely speculative, but of sufficient moment to inspire the pleasing hope of its becoming essentially beneficial to mankind.
我将继续努力推进这项研究，我相信这不仅是一种推测，而且具有足够的重要性，能激发它成为对人类有实质性益处的美好希望。
Never give up on your dreams, no matter how impossible they may seem.