Learning to be a scientist often involves transitioning from guided instruction to independent thinking, particularly during advanced studies like a PhD. Early in their journey, many students feel reliant on their advisors and structured experiments, which can hinder their ability to generate original ideas. To cultivate independent scientific thinking, it is essential to immerse oneself deeply in a specific field, thoroughly reading relevant literature and actively questioning existing knowledge. Engaging with advisors about potential research topics can help identify gaps in the literature and refine ideas. Additionally, matching personal abilities and available resources to interesting problems is crucial for successful project development. Mentorship plays a significant role in this process, guiding students through brainstorming and project planning while encouraging them to explore their interests and assess feasibility. Ultimately, the journey to becoming an independent scientist is marked by curiosity, resourcefulness, and the gradual development of critical thinking skills.