Home is not where you are born; home is where all your attempts to escape cease.
数学不是关于数字、方程、计算或算法:它是关于理解的。
上帝在他的天堂里——世间一切安好!
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.