William James

"It is well for the world that in most of us, by the age of thirty, the character has set like plaster, and will never soften again."

"The art of being wise is the art of knowing what to overlook."

"It is our attitude at the beginning of a difficult task which, more than anything else, will affect its successful outcome."

"Whenever you're in conflict with someone, there is one factor that can make the difference between damaging your relationship and deepening it. That factor is attitude."

"Success or failure depends more upon attitude than upon capacity successful men act as though they have accomplished or are enjoying something. Soon it becomes a reality. Act, look, feel successful, conduct yourself accordingly, and you will be amazed at the positive results."

"There must be something solemn, serious, and tender about any attitude which we denominate religious. If glad, it must not grin or snicker if sad, it must not scream or curse."