For attractive lips, speak words of kindness.
The problem is when that fun stuff becomes the habit. And I think that's what's happened in our culture. Fast food has become the everyday meal.
The greatest theorems are those that reveal hidden connections.
Quality fruit starts with quality soil - we must care for the foundation of all growth.
在追求知识的过程中,我们必须始终保持谦逊,对新思想持开放态度。