在我知道自己已经开始之前，我已经深陷其中。

"The only way to get rid of a temptation is to yield to it."

解决复杂问题的关键在于将其分解成可处理的部分。

追求知识是一段永无止境的旅程。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。

我还没有把我所见所闻的一半告诉你们。