Reinforcement is the central factor in the acquisition of new behavior patterns.
口是伤人斧,言语锐如刀,语言的力量巨大,学会好好说话。  
Courage is resistance to fear, mastery of fear - not absence of fear.
领导力不在于头衔、职位或流程图,而在于一个生命对另一个生命的影响。