勇气是知道什么不该畏惧。

I don't think about limitations. I think about possibilities.

深度学习是一种机器学习形式，它使计算机能够从经验中学习，并通过概念层次来理解世界。

If you are ready to give up everything else and study the whole history and background of the market and all the principal companies whose stocks are on the board as carefully as a medical student studies anatomy—if you can do all that and in addition you have the cool nerves of a gambler, the sixth sense of a clairvoyant and the courage of a lion, you have a ghost of a chance.