Observation

Observation is either an activity of a living being, such as a human, consisting of receiving knowledge of the outside world through the senses, or the recording of data using scientific instruments. The term may also refer to any data collected during this activity.

Read more about Observation:  Observation in Science, Observational Paradoxes, Biases, Observations in Philosophy

Famous quotes containing the word observation:

    Laws and customs may be creative of vice; and should be therefore perpetually under process of observation and correction: but laws and customs cannot be creative of virtue: they may encourage and help to preserve it; but they cannot originate it.
    Harriet Martineau (1802–1876)

    Let observation with extensive view;
    Survey mankind, from China to Peru;
    Samuel Johnson (1709–1784)

    The Artist is he who detects and applies the law from observation of the works of Genius, whether of man or Nature. The Artisan is he who merely applies the rules which others have detected.
    Henry David Thoreau (1817–1862)