BRAIN.

To live a life with fear is to live half a life

Agree- If you live your life with fear, you will end up avoiding doing everything that you aren’t ready to deal with. Either that, or as you engaging in things, you’ll end up dreading them the moment they’re happening. Neither of the two is pleasant. You can’t ever really enjoy something, for you’re fearing what could happen. Satisfaction or relief will end upcoming from not doing things, instead of the opposite.

Ignorance is bliss

Depends- If one is bliss because they choose not to want to know anything, therefore not worry about anything, then that is true. Although, at the same time, greater feelings can be achieved with knowledge, positive ones. With knowledge, also comes the negative side, the learning of the hardship in the world. One could choose to ignore this though, or know it and simply live with the fact- and still be bliss. It changes according to the content of the situation.

It’s better to take chances and lose, than to never take chances

Agree- You will never achieve anything without taking chances. Perhaps one doesn’t lose by not taking chances, but there is zero chance they will win. Everyone learns from their mistakes. If you lose, you can always try again, but don’t hesitate just because you’re afraid of losing. You can only get to places by risking what you’ve got.