The principles of logic and mathematics are true universally simply because we never allow them to be anything else.
逻辑与数学原理之所以普遍为真，只不过是我们从不允许它们为假。
The true test of a musician is not how they play in concert, but how they behave in rehearsal.
如果你想有所作为，就必须愿意承担风险。
解读：长时间关注、对抗恶，自身容易被恶同化，心怀善念，不与恶纠缠，保持距离，才不会被黑暗吞噬，守住内心光明。
每当心情郁闷的时候，用手托腮就好，手臂会因为帮上忙而开心的。