我想唯有自由人才能感受到这种兴奋,一个自由人步上漫长的旅程,奔向不确定的未来。
I think the only free man can feel this kind of excitement, a free man step on a long journey, towards the uncertain future.
可持续性不是一种选择——它是我们星球未来的必需品。
当你悲伤的时候,就会喜欢看落日。
Power is not just about what you can do, but what you can make others do.
The development of attention in childhood is a foundation for self-regulation and academic achievement.
自守形式的研究是数学思想深度的反映。
计算机是一种表达媒介,就像钢琴是一种表达媒介一样。