成功的数据管理的关键是理解数据。如果你不理解你的数据，你就无法有效地管理它。

乐观是一种可以学习的技能。一旦你学会了它，你就能在各个方面改善你的生活。

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.