Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

It's enough for me to be sure that you and I exist at this moment.

自动化彻底改变了我们的交易方式，使其更快、更高效。

物理学的美丽在于它能够用几个简单的方程来描述宇宙。