The best investment you can make is in yourself.
长期而言,最严酷的大规模杀伤性武器是愚蠢。
释义:无论是贤能还是平庸的人,一旦进入朝廷就容易遭到嫉妒;无论是美丽还是平常的女子,一旦进入后宫就容易遭受妒忌。
To understand mathematics is to understand the fabric of reality.