The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
建筑应当回应其环境，而不是忽视它。
Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact， “I have a rule for X” is the only excuse you need for your own personal policies.
"Sometimes, you have to be a little bit naughty to get what you want."