If a problem is fixable, if a situation is such that you can do something about it, then there is no need to worry. If it's not fixable, then there is no help in worrying. There is no benefit in worrying whatsoever.
When a man points a finger at someone else, he should remember that three of his fingers are pointing at himself. Do not worry about your difficulties in mathematics; I can assure you that mine are still greater.
I know from having had a child, and from having been a child myself, that children will copy you. So, the best way to get them to read, is to read. The best way to get them to do anything is to do it yourself, and they will absolutely copy you. That way, you don't have to worry about what's supposedly age appropriate, a child will pick something up when the child is ready.
With a wonderful business, you can figure out what will happen; you can't figure out when it will happen. You don't want to focus on when, you want to focus on what. If you're right about what, you don't have to worry about when
To study and constantly, is this not a pleasure? To have friends come from far away places, is this not a joy? If people do not recognize your worth, but this does not worry you, are you not a true gentleman?
When a drug comes in from Canada, I wanna make sure it cures ya, not kill ya... I've got an obligation to make sure our government does everything we can to protect you. And one - my worry is that it looks like it's from Canada, and it might be from a third world.