A grand and almost untrodden field of inquiry will be opened, on the causes and laws of variation, on correlation of growth, on the effects of use and disuse, on the direct actions of external conditions, and so forth. - Charles Darwin
Homosexuality is neither a sin, nor an anomaly or a disease. It is an evolutionary variation. - Abhijit Naskar
Remember that every man is a variation of yourself - William Saroyan
It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure. - Albert Einstein
Winter brings a colder palette with more heavy blue and violet, Fall has substantial more reddish and brown, Summer brings a variation of pastel colours and Spring fresh green and tangerine. - Siren Waroe