Philosophy is like trying to open a safe with a combination lock: each little adjustment of the dials seems to achieve nothing, only when everything is in place does the door open. Ludwig Wittgenstein
So many people enter and leave your life! Hundreds of thousands of people! You have to keep the door open so they can come in! But it also means you have to let them go! Jonathan Safran Foer
Fortune leaves always some door open to come at a remedy. Miguel de Cervantes
The words of the elders do not lock all the doors, they leave the right door open. African Proverb
When you have three daughters, you sleep with the door open. Korean Proverb
Whoever brings finds the door open for him. Italian Proverb