You cannot ride two horses with one ass.
More Russian Proverbs:
The tallest tree is rooted in the ground.Russian
Desert and reward seldom keep company.
Russian
Money is only good for a weekday, a holiday, and a rainy day.
Russian
Sorrow doesn't kill, but it blights.
Russian
A long pull and a strong pull and a pull altogether.
Russian
Even good dogs have fleas.
Russian