Good research is like a good story—it has a beginning, a middle, and an end, and it holds together logically.
在我看来，最完美的教育是这样的理解练习，它最适合于加强身体和形成心灵。
The mind is an instrument of survival before it is an instrument of thought.
Wrinkles should merely indicate where smiles have been.
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
Freedom is not a gift but an achievement that must be won every day.