There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
It always seems impossible until it's done.
大丈夫做事，只问对错，不问利害；只问是否符合道义，不问成败；只考虑万世的影响，不考虑一生的得失