"Never look a gift horse in the mouth."
If someone offers you a gift, don't question it.
اسب پیشکشی رو دندونش رو نمی شمارند.
"Easy come, easy go."
When you get money quickly, like by winning it, it's easy to spend it or lose it quickly as well.
باد آورده رو باد میبره.
"Good things come to those who wait."
Be patient.
گر صبر کنی ز غوره حلوا سازی.
"The grass is always greener on the other side of the hill."
People tend to want whatever they don't have.
مرغ همسایه غازه.

"Necessity is the mother of invention."
When you're really in need, you think of creative solutions to your problems.
احتیاج مادر اختراع است.
"God helps those who help themselves."
Don't just wait for good things to happen to you. Work hard to achieve your goals.
از تو حرکت از خدا برکت.
"The early bird catches the worm."
You should wake up and start work early if you want to succeed.
سحرخیز باش تا کامروا باشی