Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。

You are never too old to set another goal or to dream a new dream.

Investing in technology is investing in the future of dairy.

Love is the ability and willingness to allow those that you care for to be what they choose for themselves without any insistence that they satisfy you.

Choose a life of action，not one of ostentation.