We can distinguish the blurred shapes and colours we see at a distance only because of the capacities of our eyes.
失败并不是坏事。它是学习和改进过程的一部分。
译文:国家已经残缺不全,总是需要去修补,为了国家牺牲自己怎敢吝惜生命。
The only limit to our realization of tomorrow is our doubts of today.
The average man does not know what to do with his life, yet wants another one which will last forever.