在一个国家中，一个公民的自由就是所有人的自由。

The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.

The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of the centuries.

The role of literature is to confront the darkness within us and to find a way to overcome it.

Words are, of course, the most powerful drug used by mankind.

——对共产国际派到广州之达林说，1922年4月27日

我总是尝试做一些让我有点害怕的事情。