Writing down one thing you are grateful for each day is the cheapest possible therapy ever.

The best is yet to come.

The gratitude of every home in our Union goes out to the brave men who have fought and died in the service of our country.

Start with what is right rather than what is acceptable.

Success is not final, failure is not fatal: it is the courage to continue that counts.

The only way to learn mathematics is to do mathematics.

做人就是未完成，永远在成为。