The public impression is that the government, industry or the highest bidder can buy a scientist to add credibility to any message. That crucial quality of impartiality is being lost. ↗
If you have anything really valuable to contribute to the world it will come through the expression of your own personality, that single spark of divinity that sets you off and makes you different from every other living creature. ↗
Apart from the fact that your physical ability starts to decline, I also think someone in their fifties being childlike becomes a little sad. You've got to be careful. ↗