If a writer stops observing, he is finished.
Healthy scepticism is the basis of all accurate observation.
An amazing observation: it is precisely for feelings that one needs time, not for thought. ... Feelings, obviously, are more demanding than thought.
Just as the senses require sensible objects to stimulate them, so our powers of observation, recollection, and imagination do not work spontaneously, but are set in motion by the demands set up by current social occupations.
Strategy requires thought, tactics require observation
The only way I could work properly was by using the absolute maximum of observation and concentration that I could possible muster.
Based on observations of the policies of my own government, I viewed this action as an acceptable option.
We learn by observation, imitation and repetition.
The essential fact is that all the pictures which science now draws of nature, and which alone seem capable of according with observational facts, are mathematical pictures.
If you try to observe the precepts, that is not true observation of precepts. When you observe the precepts without trying to observe the precepts, that is true observation of the precepts.