我们面临这样一个进退两难的境地，即教育已经成为智慧和自由思想最主要的障 碍之一。
I will not serve that in which I no longer believe whether it call itself my home, my fatherland or my church.
The progress of science consists in the expansion of the field of experience.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.