课程必须被视为帮助孩子解释自己的经验并指导他进一步经验的手段。
The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.
在危机时刻，真正的领导者通过保持冷静、专注和果断而脱颖而出。
数字技术不会扼杀造纸业，自满才会。
最大的风险是不冒任何风险。
我所达到的丰富性来自自然，那是我灵感的源泉。