Often, one inspiration leads to another one. If you want a life full of inspiration, you can start with any inspirations you have, no matter how small they are.
One thing that's easy to do is to collect things that inspire you, that is, things that help you feel a positive sense of hope and possibility. These might be quotations, pictures, and examples of creative works that you admire and want to imitate.
If you fill your visual environment with things that inspire you, and hide away all the things that don't inspire you, you'll be living in a more inspiring world. This will not just make you feel better about things; you'll also have more brilliant new ideas.
Some of us were taught to be rationalistic and pragmatic about functional things. Take pencils, for example. It doesn't matter what color a pencil is on the outside, as long as it has black graphite on the inside. But style can be just as important as function, in the world of inspiration. If yellow pencils make you feel like you're in some dreary elementary school, and if metallic red pencils make you feel more alive, then you can afford to throw out your yellow pencils and buy some shiny pencils that will inspire you.