If you have any doubt at all about being able to carry a load in one trip, do yourself a huge favor and make two trips.
如果你对自己是否能一次搞定怀有任何疑虑的话,就对自己好点,分两次搞定吧。
Truth is a free creation of the human spirit, that never would exist at all if we did not generate it ourselves.
Truth, like gold, is to be obtained not by its growth, but by washing away from it all that is not gold.
世界上最好和最美的事物是看不见甚至摸不着的 - 它们必须用心去感受。
在数学中,你不理解事物。你只是习惯它们。