预测蓬勃发展的积极情绪与消极情绪的比例约为3比1。高于这个比例，人们往往会蓬勃发展；低于这个比例，人们往往会萎靡不振。

I've learned that growth comes from pain and struggle.

The ethical issues surrounding IVF are complex, but the desire to have a child is a fundamental human right.

You have to believe in yourself when no one else does – that’s what makes you a winner.

我从不害怕失败，因为失败是成功的一部分。