Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.
我不与任何人竞争,我只与自己竞争。
每一个人都应当为自己的行为负责。
The strength of a habit is proportional to the amount of reinforcement.