Imagine a world where AI not only understands human knowledge but seamlessly integrates it to solve complex problems in healthcare, crisis response, and beyond. This book explores the groundbreaking realm of Neurosymbolic AI, where cutting-edge infusion techniques and interdisciplinary insights pave the way for smarter, safer, and more transparent artificial intelligence for natural language understanding. We will talk about Language Models, Large Language Models, Knowledge Graphs, Semantic Web, Control Theory, Optimization, Explainability, Reliability, Consistency, Safety, and Trustworthiness, all in the context of Artificial Intelligence.