One who works hard, but gets no reward.

One piece of good luck doesn't do much to change a bad state of affairs

Both

One is not welcome where one is not invited

In any case

Good things rarely happen at the same time

There's someone for everyone.

Everyone - second person plural

Train children properly before it's too late

Aloe vera. Valued for use in herbal medicine, as a purgative or washout, and for cosmetic and skin care purposes.

Look before you leap

Debt always comes between friends and family

To ask

Two wrongs don't make a right.

A fried batter made from a mix of flour, saltfish, onions, peppers and other spices

A dishonest person can't remember to keep his story straight.

Paternal grandmother; i.e father's mother.

Mind your own business.

Paternal grandfather; Father's father.

Make do with what is available to you