From my own personal observation, I contradict every word of it.

His depiction of the fighting on the right is made from personal observation.

It is my personal observation that Riley says nothing by chance.

My personal observations I can make a comment on, for example, the cultural area.

Yet based on my personal observation, the level of planning is low.

"So this is no more than your opinion from personal observation?"

I'd like to add two more personal observations about Jim.

Thus while a diary may not be very reliable, personal observations say much.

"Based upon your own personal observations, would you say that she loved him?"

Direct topics include personal observations such as health or looks.