My investment portfolio or my investment philosophy?

I am an investor but I am probably not a very good investor. Why? 

I also do a bit of speculation but when I do speculate, I know I am speculating and not investing.

When we speculate, we should know we are taking on more risk. There is less certainty. 

So, when I do speculate, I try to size my positions more conservatively. For me, speculation is to investment like spice is to food.

Those