讨论学问要看其人的品行，讨论政治要考察当时的形势

"To write a biography is to walk in another's shoes, to see the world through their eyes."

The only limit to our realization of tomorrow is our doubts of today.

If you want to feed the world, start by listening to those who grow its food.

普通和非凡的区别在于那一点点额外的努力。