Hardness ever of hardness is ...

Hardness ever of hardness is mother.
Hardness ever of hardness is mother.

Quotes from the same author

He that is giddy thinks the world turns round.
God has given you one face, and you make yourself another.
Love all, trust a few, do wrong to none.
All the world is a stage, And all the men and women merely players. They have their exits and entrances; Each man in his time plays many parts.
How far that little candle throws its beams! So shines a good deed in a naughty world.