除非你决定如此,否则你不会被困在原地。
You are not stuck where you are unless you decide to be.
一个好的数学问题的定义是它产生的数学,而不是问题本身。
我不追逐潮流,我创造潮流。
过去从未死去,甚至从未过去。
The forest doesn't need us, but we need the forest—this truth should guide every decision we make in forestry.