Misc: In the ABO system, which blood type is the universal donor?

Questions

"Do not follow where the path may lead. Go instead where there is no path and leave a trail."?

"Do not squander time, for that is the stuff life is made of."?

"A bikini is like a barbed-wire fence. It protects the property without obstructing the view."?

"A billion here, a billion there - pretty soon it adds up to real money."?

"A bone to the dog is not charity. Charity is the bone shared with the dog, when you are just as hungry as the dog."?