Thoughts are like arrows: Once released they strike their mark. Guard them well or one day you may be your own victim.
Navajo proverb.

This is a more elegant way of saying:
- Better to keep mouth closed, than open it and remove all doubt. or,
- Sometimes silence is the best answer.
I have always been an introvert. One who says very little in meetings. I’d rather be in the audience than the presenter. Rather be behind the camera than in front.
The gentleman in the picture when I asked if I could take his picture just pointed to a little sign (which I have cropped out) that said “Photos $2” I guess he must be asked that question quite a few times every day. I know I will never be able to making a living that way.