Knowledge is the highest wealth of humanity, and sharing knowledge is the greatest generosity.
很可能還會發(fā)明出其他幾種輔助視覺的工具，它們超越現(xiàn)有工具的程度，就像現(xiàn)有工具超越肉眼一樣。
The safest course is to do nothing against one's conscience.With this secret， we can enjoy life and have no fear from death.
好的建筑創(chuàng)造可能性，而不是限制
真正的學者不在于知道多少事情，而在于知道真理。