Leonardo da Vinci

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.

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.

Leonardo Da Vinci

As long as men massacre animals, they will kill each other. Indeed, he who sows the seeds of murder and pain cannot reap the joy of love.

Once you have flown, you will walk the earth with your eyes turned skywards, for there you have been, and there you long to return.

Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.

The painter will produce pictures of little merit if he takes the works of others as his standard.

One can have no smaller or greater mastery than mastery of oneself.

Simplicity is the ultimate form of sophistication.

He who wishes to be rich in a day will be hanged in a year.

The desire to know is natural to good men.