智者抵抗快乐，愚者成为快乐的奴隶。
It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.
The power of causal reasoning is that it allows us to predict the effects of actions we have never taken.
出自汉·桓宽《盐铁论·殊路》。镂：雕刻。如果没有内在的工夫，而只学习其表面，即使有再好的老师和朋友，也还是如同在油脂上作画、在冰上雕刻一样，只是浪费时间和功夫。
We need to think about digital skills in the same way we think about literacy and numeracy.
I don't feel like I have to be a role model. I just want to be myself.
"I don't take anything for granted. I work for everything I achieve."