The principles of conditioning apply equally to all species.
"We are all in the gutter, but some of us are looking at the stars."
The writer’s life is a life of solitude.
幸福取决于我们自己。
安静的人有着最响亮的思想。
"To write is to breathe, and to breathe is to live."
"A book is a door, and every reader walks through it differently."