“They key of persistence opens all door closed by resistence ”
“Patience and persistence are the keys... The keys to unlock doors of success... With these two virtues, you grow in reasoning and experience.”
“Books are keys that open many doors.”
“If getting is the key to your happiness your key will open few doors. If giving is the key to your happiness you will find few doors locked.”
“Good manners open the closed doors; bad manners close the open doors!”
“A very little key will open a very heavy door.”