It's never too late to learn new things. It may be difficult when you are older but many mathematicians were late-lerners [1]. It's more important to be honestl

It's never too late to learn new things. It may be difficult when you are older but many mathematicians were late-lerners [1]. It's more important to be honestly interested in what you are doing. You should be pursuing your own goals not someone's else. That will bring you satisfaction and motivation for working and innovating in your field. [1] http://mathoverflow.net/questions/3591/mathematicians-who-were-late-learners-list-closed http://mathoverflow.net/questions/3591/mathematicians-who-we...