While I thought that I was learning how to live, I have been learning how to die.

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

A diamond is just a lump of coal that stuck to its job.

He who does not understand the supreme certainty of mathematics is wallowing in confusion.

To make a perfume, take some rose water and wash your hands in it, then take a lavender flower and rub it with your palms, and you will achieve the desired effect

Whoever does not respect life, does not deserve it.

Experiment is the sole interpreter of the artifices of Nature.