Don't work for fools. It's not worth it. Getting paid less to work for people you like and believe in is much better for you (and your career) in the long run.
Just as one candle lights another and can light thousands of other candles, so one heart illuminates another heart and can illuminate thousands of other hearts.
Remember one very fundamental thing about life: Any experience that has not been lived will hang around you, will persist: "Finish me! Live me! Complete me!" There is an intrinsic quality in every experience that it tends and wants to be finished, completed. Once completed, it evaporates; incomplete, it persists, it tortures you, it haunts you, it attracts your attention. It says, "What are you going to do about me? I am still incomplete - fulfill me!"
Do not worry about not holding high position; worry rather about playing your proper role. Worry not that no one knows of you; seek to be worth knowing.
Guard well your spare moments. They are like uncut diamonds. Discard them and their value will never be known. Improve them and they will become the brightest gems in a useful life.