You cannot build a wall with one stone.
More Russian Proverbs:
There is no repentance after death.Russian
Pray to God but continue to row to the shore.
Russian
Water does not run under a lying stone.
Russian
The dog learns to swim when the water reaches his ears.
Russian
Even a blind pig finds an acorn every once in awhile.
Russian
The horse may run quickly, but it can't escape its own tail.
Russian