Poor is the pupil who does not surpass his master.
From Leonardo da Vinci
He who is fixed to a star does not change his mind.
All our knowledge has its origins in our perceptions.
I have always felt it is my destiny to build a machine that would allow man to fly.
In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.
Just as food eaten without appetite is a tedious nourishment, so does study without zeal damage the memory by not assimilating what it absorbs.
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.
Art is never finished, only abandoned.
I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.
There are four Powers: memory and intellect, desire and covetousness. The two first are mental and the others sensual. The three senses: sight, hearing and smell cannot well be prevented; touch and taste not at all.
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