Punishments and rewards are two sides of the same coin and that coin doesn't buy you much.
Faith and science, I have learned, are two sides of the same coin, separated by an expanse so small, but wide enough that one side can't see the other. They don't know they are connected.
Madness and greatness are two sides of the same coin. Every time a new Targaryen is born, the gods toss the coin in the air and the world holds its breath to see how it will land.
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.
Every street has two sides, the shady side and the sunny. When two men shake hands and part, mark which of the two takes the sunny side; he will be the younger man of the two.
Madness and genius are two sides to the same coin.
Peace and justice are two sides of the same coin.
Music and improving the world are two sides of the same coin.
German and European unification are two sides of the same coin.
The combination of fear and ignorance (two sides of the same coin) can be paralyzing.
Capitalism and Bolshevism are the two sides of the same international Jewish coin.
Sustainable development and climate change are two sides of the same coin
Budget consolidation and economic growth are two sides of the same coin.
Confidentiality and transparency are not mutually exclusive, but rather two sides of the same coin.
Creativity and freedom are two sides of the same coin. I like the best of both worlds.
From my point of view, humour and irony include tragedy; they're two sides of the same coin.