善恶之间的界限常常是模糊的。
抽象不仅仅是隐藏细节；它是关于创建问题域的清晰简洁的模型。
When men are most sure and arrogant they are commonly most mistaken， giving views to passion without that proper deliberation which alone can secure them from the grossest absurdities.
利润很重要，但它永远不应该以我们的原则为代价。
The future belongs to those who understand that doing more with less is compassionate, prosperous, and enduring.
