The great man is he who does not lose his child's heart.

Related:

• The great man does not think beforehand of his words that they may be sincere nor of his actions that they may be resolute -
  he simply speaks and does what is right. --...
• The great man is he who does not lose his child's heart
  " --...
• Those who labor with their minds govern others; those who labor with their strength are governed by others.
  Mencius (Meng-tse) (372?-289?...
• He who has exhausted all his mental constitution knows his nature.
  Knowing his nature, he knows heaven. To preserve...
• One who is by nature daring and is suffering from poverty will not long be lawful.
  Indeed, any man, save those that are truly Good, if...
• He does not preach what he practices until he has practiced what he preaches.
  Confucius (K'ung tsze or Kung Fu Tse) (551-479...
• The superior man thinks of virtue; the small man thinks of comfort.
  Confucius (K'ung tsze or Kung Fu Tse) (551-479...
• He's got the heart of a little child,
  and he keeps it in a jar on his desk...
• The superior man has neither anxiety nor fear. -
  Confucius (K'ung tsze or Kung Fu Tse) (551-479...