Just as seeds, flowers, and fruits are essential materials present in a normal garden, and our hoes or shovels are used for planting in the same garden, relevant tools are required in the garden of grit to assist in producing the keys to a fulfilling life. These tools in this book, including passion and resilience, are developed and explored by individuals such as scientists, early-career persons, those at a crossroads, and somehow confused to embark on a life journey with or without hurdles. There was also provision of information that could help individuals to grow. They can use these tools in different areas of their lives, including academia, family, and relationships, to unlock hidden strength, attain fierce determination and focus, and eventually a fulfilled life. In the end, success is achieved.