The best way to learn mathematics is to do mathematics.

"We don't get to choose our own hearts. We can't make ourselves want what's good for us or what's good for other people."

The most radical art often comes from the margins.

"The truth is rarely pure and never simple."

继子女面临更大风险，因为进化压力塑造了父母更偏爱自己基因后代的心理。