The most important single aspect of software development is to be clear about what you are trying to build.
可持续发展不仅需要愿景，还需要具体行动。
实现明天理想的唯一障碍是今天的疑虑。
人们必须感受到自然界是重要且有价值的、美丽的、奇妙的、令人惊叹且愉悦的。
Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.
有时我们会为某些事情感到悲伤，而我们不愿意告诉别人我们为此感到悲伤。