We don't make products to show off technology, but to solve real problems.
The value of an economic model lies in its ability to explain and predict.
The idea is not to have any 90-degree angles. In the beginning, there was the diagonal. The diagonal comes from the idea of the explosion which "re-forms" the space.
物理学的美在于它能够用简单而优雅的理论解释复杂的事物。