Final answer:
The Agile Manifesto and the House of Lean drive the mindset for SAFe implementation.
Step-by-step explanation:
The two concepts that drive the mindset for SAFe (Scaled Agile Framework) implementation are the Agile Manifesto and the House of Lean. The Agile Manifesto provides the guiding principles for Agile development, emphasizing collaboration, adaptability, and customer satisfaction. The House of Lean, on the other hand, outlines the principles and practices of Lean thinking, which focuses on eliminating waste and improving efficiency.