Just as food eaten without appetite is a tedious nourishment, so does study without zeal damage the memory by not assimilating what it absorbs.
Just as iron which is not used grows rusty, and water putrefies and freezes in the cold, so the mind of which no use is made is spoilt.
Let proportion be found not only in numbers and measures, but also in sounds, weights, times, and positions, and what ever force there is.
There are many occasions when the muscles that form the lips of the mouth move the lateral muscles that are joined to them, and there are an equal number of occasions when these lateral muscles move the lips of this mouth, replacing it where it cannot return of itself, because the function of muscle is to pull and not to push except in the case of the genitals and the tongue.
All knowledge which ends in words will die as quickly as it came to life, with the exception of the written word: which is its mechanical part.
You can have no dominion greater or less than that over yourself.
The study of what is excellent is food for the mind and body.
Nature is full of infinite causes that have never occurred in experience.
The earth is moved from its position by the weight of a tiny bird resting upon it.
I roamed the countryside searching for the answers to things I did not understand. Why shells existed on the tops of mountains along with the imprints of coral and plant and seaweed usually found in the sea. Why the thunder lasts a longer time than that which causes it and why immediately on its creation the lightening becomes visible to the eye while thunder requires time to travel. How the various circles of water form around the spot which has been struck by a stone and why a bird sustains itself in the air. These questions and other strange phenomena engaged my thought throughout my life.
Being engulfed in practice without delicate knowledge related to it, is in many ways like entering a ship without knowing where it is headed.
Slender certainty is better than portentous falsehood.
The truth of things is the chief nutriment of superior intellects.
If the thing loved is base, the lover becomes base.
The beginnings and ends of shadow lie between the light and darkness and may be infinitely diminished and infinitely increased. Shadow is the means by which bodies display their form. The forms of bodies could not be understood in detail but for shadow.
It is easier to contend with evil at the first than at the last.
There shall be wings! If the accomplishment be not for me, 'tis for some other. The spirit cannot die; and man, who shall know all and shall have wings.
The senses are of the earth, the reason stands apart from them in contemplation.
The painter or draftsman ought to be solitary, in order that the well-being of the body not sap the vigour of the mind.
If you do not rest on the good foundation of nature, you will labour with little honor and less profit.
O sleepers! what a thing is slumber! Sleep resembles death. Ah, why then dost thou not work in such wise as that after death thou mayst retain a resemblance to perfect life, when, during life, thou art in sleep so like to the hapless dead?
A long life is a life well spent.
My works are the issue of simple and plain experience which is the true mistress.
Life, when is spent well, is long.
Art is the queen of all sciences communicating knowledge to all the generations of the world.
Follow AzQuotes on Facebook, Twitter and Google+. Every day we present the best quotes! Improve yourself, find your inspiration, share with friends
or simply: