I think it's absolutely a blessing when you just know what your purpose is and your destiny. I don't think it's a curse at all.

Humor is mankind's greatest blessing.

Anyone who feels that the problems of mankind can be solved through violence is sleeping through a revolution.

You only get so many firsts, each one is a blessing.

Of all the small nations of this earth, perhaps only the ancient Greeks surpass the Scots in their contribution to mankind.

Unteachable from infancy to tomb - There is the first & main characteristic of mankind.