达芬奇之思想点滴

达芬奇之思想点滴

Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.
-Leonardo da Vinci

  Nothing strengthens authority so much as silence.
-Leonardo da Vinci

  I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.
-Leonardo da Vinci

  Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.
-Leonardo da Vinci

  

  The noblest pleasure is the joy of understanding.
-Leonardo da Vinci