The quote means that someone wanted to become emotionally strong, so that hurtful words from others wouldn't make them feel bad anymore. It's like they aimed to build a shield around their feelings. Imagine if you had a protective armor, and when people said mean things, it wouldn't hurt you as much. That's what this person wanted - to be so tough inside that words couldn't harm them.
In life, people often say unkind things, and it can hurt our feelings. But this person was determined to grow stronger inside, like a powerful fortress, so that negative words would bounce off them. It's a reminder that we have the ability to become emotionally resilient, so hurtful words lose their power over us. Instead of letting words crush our spirit, we can become so strong that they don't affect us as much.
In a nutshell, the quote is about a person's determination to become emotionally strong, like an unbreakable shield, so that words couldn't hurt them anymore. It's a message of empowerment, showing that we have the capacity to toughen up our inner selves against negativity.