El hombre es el único animal que tropieza dos veces con la misma piedra.
人是唯一会在同一块石头上绊倒两次的动物。
The laws of nature are unforgiving.
"Memory is a strange thing, it doesn't work like I thought it did. We are so used to thinking of it as a camera or a tape recorder, but it's not like that at all. It's more like a painter, who adds and subtracts elements according to his own rules."