Perseverance is king.
There are two things in life for which we are never truly prepared: twins.
the squeeky wheel gets the grease.
The road to ruin is always in good repair, and the travellers pay the expense of it.
True wisdom is plenty of experience, observation, and reflection. False wisdom is plenty of ignorance, arrogance, and impudence.
It is a very delicate job to forgive a man, without lowering him in his own estimation, and yours too.