韧性是通过逆境建立的；不要害怕挑战，要从中学到东西。

"The past is never dead. It's not even past."

"Theoretical computer science is a field where deep mathematical insights lead to practical computational tools."

The artist must be a dancer of the invisible.

假设体系的功能在于预先警示我们将有何种体验——使我们能够做出准确预测。