17/07/2017
#1. Be tied to your mother's apron strings: if someone, usually a man, is tied their mother's apron strings, they still need their mother and cannot think or act independently.
E.g. He's 30 but he's still tied to his mother's apron strings.
#2. At your mother's knee: if you learned to do something at your mother's knee, you learned it when you were a young child.
E.g. I learned to sew at my mother's knee.
#3. Diligence is the mother of good luck: If you work carefully and constantly, you will be far more likely to be successful, as if luck had come your way.
E.g. Mike: I'll never get work as an actress; I always have such bad luck at auditions. Jack: Keep working at it. Diligence is the mother of good luck.
#4. Everybody and his mother: Used hyperbolically to express a large number or a majority of people.
E.g. I'm so jealous, everybody and his mother is going on a vacation this summer except for me.
#5. Experience is the mother of wisdom: Most wisdom is gained by experiencing different things (compared to acquiring knowledge through schooling or other means).
#6. Necessity is the mother of innovation
The need for something tends to spark creative thinking and action. A less common variant of the phrase "necessity is the mother of innovantion"