"I say "possibly" (for the COVID-19 to more dangerous to humans than the other coronaviruses) because so far, not only…"

"The 2019 novel coronavirus is a punishment by nature to humans' unsanitary lifestyle. I promise with my life that the…"

"A general good at commanding troops is like one sitting in a leaking boat or lying under a burning roof. For there is…"

"The rose colours of madder have justly been considered as supplying a desideratum, and as the most valuable acquisiti…"

"Green...contrasts more agreeably with all colours than any other individual colour. It has accordingly been adopted w…"

"The general powers of green, as a colour, associate it with the ideas of vigour and freshness; and it is hence symbol…"

"As purple, when inclining toward redness, is a regal and pompous colour, it has been used in mythological representat…"

"Brown...is the rather indefinite appellation of a very extensive class of colours of warm or tawny hues....The term b…"

"Brown is a sober and sedate colour, grave and solemn, but not dismal, and contributes to the expression of strength, …"

"Gray denotes a class of cool cinereous colours...The grays, like the other semi-neutrals, are sober, modest colours, …"