我不喜欢被限制。
每一个巨大而深刻的困难本身都包含着它的解决方案。它迫使我们改变思维以找到解决方案。
在物理学中,近似的艺术往往比精确解更重要。
文学最大的敌人是良好的品味。
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.