An oak is not felled at one blow.
More Spanish Proverbs:
Friendship broken may be soldered, but never made whole.Spanish
Discreet stops make speedy journeys.
Spanish
If folly were a pain, there would be groaning in every house.
Spanish
The wolf eats of what is counted.
Spanish
When two friends dip into their purse, one laughs, the other cries.
Spanish
When the corsair promises masses and candles, it goes ill with the galley.
Spanish