The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
你的价值不会因为别人看不到你的价值而降低。
If you're not failing every now and then, you're not doing anything very innovative.
The wisdom of hindsight, so useful to historians and indeed to authors of memoirs, is sadly denied to practising politicians.