The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

If we believe in data structures, we must believe in independent (hence simultaneous) processing. For why else would we collect items within a structure? Why do we tolerate languages that give us the one without the other?

Markets are not just about transactions; they are about the flow of information and the trust that underpins those transactions.

在危机中，首要任务是止血。

种树的最佳时间是20年前；第二好的时间就是现在。