Lucidity is the wound closest to the sun. |

As we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don't know we don't know. |

I don't think there is any truth. There are only points of view. |

It is very risky. But each time a child opens a book, he pushes open the gate that separates him from Elsewhere. |

He who knows all the answers has not been asked all the questions. |

It is better to have your head in the clouds, and know where you are... than to breathe the clearer atmosphere below them, and think that you are in paradise. |

As a single footstep will not make a path on the earth, so a single thought will not make a pathway in the mind. To make a deep physical path, we walk again and again. To make a deep mental path, we must think over and over the kind of thoughts we wish to dominate our lives. |

It's not what you look at that matters, it's what you see. |

Our life is frittered away by detail. Simplify, simplify. |

Definitions belong to the definers, not the defined. |

I am not interested in being original. I am interested in being true. |

Look back in forgiveness, forward in hope, down in compassion, and up with gratitude. |

The world doesn't make sense until you force it to. |

To the dull mind all nature is leaden. To the illumined mind the whole world burns and sparkles with light. |

If liberty means anything at all, it means the right to tell people what they do not want to hear. |

If giving points is the only way to motivate a student to complete an assignment, perhaps we should look more closely at the assignment. |

The mind once enlightened cannot again become dark. |

It's not about what it is, it's about what it can become. |

When you are genuinely interested in one thing, it will always lead to something else. |

If someone betrays you once, it’s their fault; if they betray you twice, it’s your fault. |

To handle yourself, use your head; to handle others, use your heart. |

Do one thing every day that scares you. |

Most of the successful people I’ve known are the ones who do more listening than talking. |

Education is not filling buckets; It's lighting fires. |