Leonardo da Vinci

I have offended God and mankind because my work didn't reach the quality it should have.

I have offended God and mankind because my work didn't reach the quality it should have.

You do ill to praise, but worse to censure, what you do not understand

You do ill to praise, but worse to censure, what you do not understand

I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not read more

I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.

Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her read more

Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous.

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is read more

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.