Beware the chides of larch

Epimedium setosum_18-2.jpgTo avoid plagiarism. I shall have to use words noone has ever used before.But then nobody would understand me.
OK avoid sentences written by others…. that could be hard too

The bot was culling ,the title sucked
Malware,Macbeth,,malware
Caesar beware the tides on Mars
Who caused Sylvia?
He rewired marriage in Venice

 

How do I know if someone has written that before?