In the realm of quantum mechanics, the observer becomes a part of the experiment, altering the outcome by the mere act of observation.
实现明天理想的唯一障碍是今天的疑虑。
我认为最重要的是不要害怕失败。
It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.