The development of quantum mechanics early in the twentieth century obliged physicists to change radically the concepts they used to describe the world.
[Heisenberg's seminal 1925 paper initiating quantum mechanics marked] one of the great jumps—perhaps the greatest—in the development of twentieth century physics.
The solutions to the problems of the distraught lower strata of society are problems that can only be solved in the context of an overall political, cultural, economic development.
This is the moment when we must build on the wealth that open markets have created, and share its benefits more equitably. Trade has been a cornerstone of our growth and global development. But we will not be able to sustain this growth if it favors the few, and not the many.
The Jewish scriptures admirably illustrate the development from the religion of fear to moral religion, a development continued in the New Testament. The religions of all civilized peoples, especially the peoples of the Orient, are primarily moral religions.
If I have this child? Why wasn’t it obvious to me that I already had a child, who was growing inside of me? Once you are pregnant, there is no if. That child, though tiny and in an early stage of development, already exists!