Challenges are opportunities in disguise. Embrace them to grow stronger.
The use of COBOL cripples the mind; its teaching should, therefore, be regarded as a criminal offense.
A mathematician is a device for turning coffee into theorems.
I think of my pile of old paperbacks, their pages gone wobbly, like they’d once belonged to the sea.
我想起我那堆旧平装书，书页已经变得松软，仿佛它们曾经属于大海。
I always tell my students that it's okay to make mistakes, as long as you learn from them.