The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability.  

The dairy industry must evolve to meet both consumer needs and environmental challenges.

I train, I believe, I respect, I be patient, and I stay positive.

The architect must think like a sculptor and a scientist.

哲学的功能是在作为阶级斗争理论武器的科学观念与代表阶级敌人的意识形态观念之间划清界限。