“~Love is the master key that unlocks the door to eternal happiness~”
“Stop wasting your time looking for the key to happiness… the door is open and unlocked… just walk through it.”
“Education is the key to unlock the golden door of freedom.”
“Patience and persistence are the keys... The keys to unlock doors of success... With these two virtues, you grow in reasoning and experience.”
“A brick could be used as a key to unlock a door disguised as a brick wall. The security in the lock lies not with a one-of-a-kind key, but with a key that looks like hundreds of other potential keys that make up the door. ”
“I give this to you because it is the key that will unlock the door between your past and your future.”