The water you touch in a river is the last of that which has passed, and the first of that which is coming. Thus it is with time present. - Leonardo da Vinci

Threats alone are the weapons of the threatened man.

Painting is concerned with all the 10 attributes of sight; which are: Darkness, Light, Solidity and Colour, Form and Position, Distance and Propinquity, Motion and Rest.

But leaves of yellowish green do not, when they reflect the atmosphere, create a reflection which verges on blue; for every object when seen in a mirror takes part in the color of this mirror; therefore the blue of the atmosphere reflected in the yellow of the leaf appears green, because blue and yellow mixed together form the most brilliant green, and therefore luster on light leaves which are yellowish in color will be a greenish yellow.