The beauty of mathematics lies not in its complexity but in its simplicity and the way it reveals hidden truths.
The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.
农业效率绝不应以牺牲动物福利为代价。
The writer’s duty is to be a troublemaker, a disturber of the peace.