The only limit to our realization of tomorrow will be our doubts of today.

The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.

I'm the reason your stars won't twinkle.

The end of wisdom is to dream high enough to lose the dream in the seeking of it.

I am not afraid of storms，for I am learning how to sail my ship.

最重要的是通过给予人们超出他们当前能力的任务来培养他们的能力。

可扩展性是数字干预的优势，但个性化是其有效性的关键。