Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
在任何情况下都要寻找积极的一面。总有一些值得感激的事情。
"War is just a series of moments when you don't die, strung together by fear and luck."
Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.
"Books are the mirrors that reflect our desires."