By developing one's own worldview and personal qualities, an individual gains a deeper understanding of the splendor and value of life. This, in turn, provides even more motivation and strengthens their willpower to achieve sensibly-set goals.
Determining criteria of happiness and the meaning of life is subjective and depends on the education level. It is noteworthy that the higher and more reasonable the requirements for them, the higher the motivation to achieve them.
Development of worldview and higher feelings is where modern personality development methods should accentuate attention. Precisely, these are the basis for forming spiritual needs and inexhaustible motivation for a meaningful and productive life.
Faith in humanity is faith in the unlimited creation capacity of the human race. But, naturally, this faith has only a motivational and binding character because how the human race realizes its potential is a different question.