I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.
Success isn’t about being perfect—it’s about being persistent.
El tiempo no es oro, el tiempo es vida.
真正的智慧在于认识到自己的局限性并努力超越它们。
释义：喜欢指责别人的人，难以维持长久的友谊；常常宽恕自己的人，不容易改正错误。
我不是塑料娃娃。我是个真实的女人。
Immature love says: 'I love you because I need you.' Mature love says: 'I need you because I love you.'