要理解意识，就要研究它在生存中的作用。
To understand consciousness, study its role in survival.
The greatest glory in living lies not in never falling, but in rising every time we fall.
The only real failure in life is not to be true to the best one knows.
释义：如果田地没成熟就收获，还不如不种；如果养育的孩子不学好，还不如没有。
现在是过去的未来，但过去是现在的未来。
