Tumblr is the fastest-growing social network in the world, with a reported 300 million people using the platform each month. But just because its community grows bigger by the day and is equal to the population of the United States, that doesn’t mean the quality of content improves at the same rate. Mining through blog after blog of reaction gifs and One Direction memes to discover the sweet stuff takes time and discipline, two things most of us are short on. To save you the bother, we’ve curated a shortlist of inspiring Tumblrs worth following. Take a look.