I always think that in 300 years (probably even less) nothing that you did mattered and no one will remember who you were and what you did. Also, trying to do s

I always think that in 300 years (probably even less) nothing that you did mattered and no one will remember who you were and what you did. Also, trying to do something "big" and change the world might lead to the opposite of what you tried to achieve, so trying to do something that will benefit the world in 1000 years for now doesn't really make any sense.