Inductive reason which alone makes man master of his environment is an achievement and when once born it must be reinforced by inhibiting the growth of other modes of knowledge.
Being solitary is being alone well: being alone luxuriously immersed in doings of your own choice aware of the fullness of your won presence rather than of the absence of others. Because solitude is an achievement.
Those who improve with age embrace the power of personal growth and personal achievement and begin to replace youth with wisdom innocence with understanding and lack of purpose with self-actualization.