There are many famous and well reputed people who did do their mundane and mediocre jobs and still pursued their passions simultaneously.
Do not keep cursing your job for not giving you the time to pursue your passions or interests or hobbies. However lifeless your current job is, be grateful for having it and offer your best services. It is your job that is providing you and your family to live a decent life. Without a job, it is even possible that you will not be even thinking about your passion.
Only very few people in this world will find a find a job in an area that they are passionate about. Very few people will have the guts to pursue their passion as their mission which produces income. Very few people will have the courage and risk taking ability to go through the uncertainties and rigors of realizing their dream without even financial security. In fact it is these people who are inspirational and worthy of applause. They most probably feel alive everyday as they are generating income by working on something that they love and feel passionate about.
Now, rest of people must stop complaining. This will not help you or anyone around you. In fact this is self-sabotaging and could negatively impact your performance in your company and spoil the job in hand.
Nobody is stopping you from doing something in the area of your interests. If you have a dream project or passion to do something, nothing is blocking you from taking some small actions daily. Why are you not taking simple and small steps which moves you an inch closer towards your goal.
In fact when compared to those minor section of people who take a massive action and risk everything to pursue their passions, you are well positioned in a job that has secured you and your family. And at the same time you can allocate some time to work on your ambition. This relatively is a safer situation and gives you an opportunity to take small consistent steps towards your personal aspirations and to realize them.
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