你的自我价值由你自己决定。你不必依赖别人告诉你你是谁。
Your self-worth is determined by you. You don’t have to depend on someone telling you who you are.
人的欲望和其他激情，本质上是受到他自己控制的；他真正的困难在于，要知道何时需要加以控制，何时不需要。
成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情，你就会成功。
The greatest journeys are those taken within.
The pursuit of knowledge for its own sake, an almost fanatical love of justice, and the desire for personal independence—these are the features of the Jewish tradition which make me thank my stars that I belong to it.