The will to work of everyone in the country is the best guarantee of national survival.

Humor is one of the best ingredients of survival.

And while the law of competition may be sometimes hard for the individual it is best for the race because it ensures the survival of the fittest in every department.

Friendship is unnecessary like philosophy like art... It has no survival value rather it is one of those things that give value to survival.

But no nation can base its survival and development on luck and prayers alone while its leadership fritters away every available opportunity for success and concrete achievement.

All species capable of grasping this fact manage better in the struggle for existence than those which rely upon their own strength alone: the wolf which hunts in a pack has a greater chance of survival than the lion which hunts alone.

Peace is the one condition of survival in this nuclear age.