The nearest I can make it out, "Love your Enemies" means, "Hate your Friends"
Lost time can never be found again
Employ thy time well, if thou meanest to gain leisure.
Industry, perseverance, and frugality make fortune yield.
Change is the only constant in life. Ones ability to adapt to those changes will determine your success in life.
The US Constitution only guarantees your rights as a citizen, it doesn't guarantee happiness. It may take work, but if you have your rights, happiness is very possible.