Add punctuation: Painting signed Daniel Vertangen
A: Painting, signed: D(aniel) Vertangen.

Add punctuation: There was once a little girl who was obstinate and inquisitive and when her parents told her to do anything she did not obey them so how could she fare well One day she said to her parents I have heard so much of Frau Trude I will go to her some day
A: There was once a little girl who was obstinate and inquisitive, and when her parents told her to do anything, she did not obey them, so how could she fare well? One day she said to her parents, "I have heard so much of Frau Trude, I will go to her some day.

Add punctuation: The courage to embrace life is that power that overcomes hatred vengeance quicktemper wrath and bitterness in ones mind even when one is mocked and insulted or even tortured and put to death because of it
A:
The courage to embrace life is that power that overcomes hatred, vengeance, quick-temper, wrath and bitterness in one's mind, even when one is mocked and insulted or even tortured and put to death because of it.