“Two sides of the same coin, but which side is which?”
“Peace and justice are two sides of the same coin.”
“The flip side of the coin of which Good and Evil are but one side.”
“Victim" and "Volunteer" can often be the two sides of the same coin.”
“Success and failure are two edges of the same blade, two sides of the same coin. To fear one is to forever deny the possibility of the other.”
“Like two side to a coin, there are two sides to life: your reason and emotional facets.”