When people (or you) tell you that you are not good enough, strong enough, pretty enough, smart enough, thin enough, successful enough, or the many other myriads of things, acknowledge it was said and move on. Define yourself by who GOD says you are and who you KNOW you are instead.
IF you are a good person, a Christ follower, and someone who is kind and caring, then when someone tries to tell you otherwise, it is ALWAYS THEIR problem and a flaw within them.
It could be that they see a steady and capable human in front of them, and they realize THEY are missing some of those wonderful traits. It could be they lack EQ. because IQ just does not cover that part. It could be their frustration with self that shows up when your light is reflected on them.
So, today my message to you is that you are capable and that you have everything you need already inside you to accomplish what you need to accomplish.
You just need discernment to know what the truth is and what it is not.