Everyone has his own specific vocation or mission in life; everyone must carry out a concrete assignment that demands fulfillment. Therein he cannot be replaced, nor can his life be repeated. Thus, everyone's task is unique as is his specific opportunity to implement it.
With a tree, all the growth takes place at the growing tips. Humanity is exactly the same. All the growth takes place in the growing tip: among that one percent of the population. It's made up of pioneers, the beginners. That's where the action is.
The science of psychology has been far more successful on the negative than on the positive side... It has revealed to us much about man's shortcomings, his illnesses, his sins, but little about his potentialities, his virtues, his achievable aspirations, or his psychological health.