It is true some may not talk much but take actions and go on doing their works. Many people may not notice tem or their works. They don't want also. But a day will be there on which the good works done by these people will get recognised.. On contrary some people talk a lot regarding? ; what they are going to do and how and when they are going to do what? They use bib gib words and very loud in their voice. Ultimately we see that they may not be performing at least 50% of what they talk.
But in the present day scenario in the world, what you have done is not important, but how best you have presented your work to others is more important,