Social interest means not only equality but also the awareness of being part of a whole.

The meaning of life lies in devotion, in interest in others and in cooperation.

Each individual represents both a unity of personality and the individual shaping of that unity.

Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power.

-- Laozi

Those who fully develop their mind know their nature. Knowing their nature, they know Heaven.

-- Mencius

It is in the knowledge of the true conditions of our life that we must draw our strength to live and our reasons to act.

-- Simone de Beauvoir

What man is, only his history can tell him.

-- Wilhelm Dilthey

Risk comes from not knowing what you're doing.

-- Warren Buffett

I'm only rich because I know when I'm wrong.

-- George Soros