学问之道无他，求其放心而已矣。
学问的道理没有别的，就是找回那丧失了的善心罢了。
Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands – it’s the upstairs that counts.
Learning from failure is more valuable than celebrating success.
Children are not just miniature adults; they have their own way of seeing and understanding the world.
The rules of survival never change, whether you’re in a desert or in an arena.