People have roles to play in life just as actors do in the theatre.

Alternative form of World War II

For all time.

(idiomatic) To possess great influence and opportunity.

A phenomenon whereby violence-related content of mass media makes viewers believe that the world is more dangerous than it actually is.

(idiomatic) To do something sensational.

plural of small-world network

(mathematics) A kind of graph in which most nodes are not neighbors but most can be reached from every other by a small number of steps, i.e. the typical distance between two randomly chosen nodes grows proportionally to the logarithm of the number of nodes in the network.

The phenomenon that human society resembles a small-world network with short path lengths, i.e. any two human beings tend to be linked through a small chain of friends of friends.

Alternative form of have the world by the tail