"You don't need more space. You need less stuff." I am a fan of this website on living a simple life by Joshua Becker. Becoming Minimalist // Simplify, Declutter, Motivation, Sayings and Quotes, Minimalism
34 Ingenious Ways To De-Clutter Your Entire Life/ Or simplify it to this one question: If I were shopping right now, would I buy this? If the answer is no, out it goes. This would work really well in my cluttered garage!