Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
最有效的调试工具仍然是仔细的思考,再加上明智地放置的打印语句。
出自汉·桓宽《盐铁论·执务》。阜,土山。土积得多便会成山,水积得多便成江河。此以积土成山、积水成河为喻,说明积少成多、凡事要从一点一滴做起的道理。
The capacity to be alone is the capacity to love. It may look paradoxical to you, but it's not.