Losing is part of successfully trading. If you treat losing as part of trading then you are an experienced trader.
Sounds like a gambling philosophy, still could not ignore its meaning. One of the basic thumb rule of trading is we cannot prevent losses but we will be able to cut the losses early when it will be very small. Yes, losses also a part of trading.
You are correct, Its a big yes to me that losses is a normal part of trading being a trader. But sometimes some of the traders are so afraid to loss their money, but we had a lots of member here who can assist you or give an advice of how you are going to start here as trader. no. 1 rule is we need to be a risk taker we should think always a positive way that we are going to win.