The end may justify the means as long as there is something that justifies the end.
目的可以证明手段的正当性，只要存在某种能证明目的正当性的东西。
I'm not going to change who I am just because people want me to be something else.
The key to trading success is emotional discipline. If intelligence were the key, there would be a lot more people making money trading.
I'm not perfect, but I'm striving every day to be better than I was yesterday.
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.