The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
抽象的目的不是含糊不清,而是创建一个新的语义层次,在这个层次上可以绝对精确。
The future of medicine will be shaped by our understanding of genetics.
To be happy is only to have freed one's soul from the unrest of unhappiness.