The best armor of old age is a well-spent life perfecting it.

Ignorance more frequently begets confidence than does knowledge.

To travel is to discover that everyone is wrong about other countries.

The beauty of mathematics lies in its ability to describe the universe in a language that transcends cultural and linguistic barriers.

世界上充满了神奇的事物，耐心地等待着我们的感官变得更加敏锐。

有时最简单的旋律反而最有力量。

Eight hours of training, pain is only the body, but if the loss, you pain is the heart.

所有科学的统一性仅在于其方法，而不在于其材料。