In teaching man, experimental science results in lessening his pride more and more by proving to him every day that primary causes, like the objective reality of things, will be hidden from him forever and that he can only know relations. ↗
When ambitious desires arise in thy heart, recall the days of extremity thou have passed through. Forbearance is the root of all quietness and assurance forever. ↗
It is the people who can do nothing who find nothing to do, and the secret to happiness in this world is not only to be useful, but to be forever elevating one's uses. ↗
July 13, 1954 was the most tragic day of my life. I had lost my beloved Frida forever. To late now I realized that the most wonderful part of my life had been my love for Frida. ↗