The works of Lavoisier and his associates operated upon many of us at that time like the Sun's rising after a night of moonshine: but Chemistry is now betrothed to the Mathematics, and is in consequence grown somewhat shy of her former admirers.

Unlike grown ups, children have little need to deceive themselves.

Whatever is the lot of humankind I want to taste within my deepest self. I want to seize the highest and the lowest, to load its woe and bliss upon my breast, and thus expand my single self titanically and in the end go down with all the rest.

Science arose from poetry... when times change the two can meet again on a higher level as friends.

The loss of a much-prized treasure is only half felt when we have not regarded its tenure as secure.

Every day we should hear at least one little song, read one good poem, see one exquisite picture, and, if possible, speak a few sensible words.

The greatest thing in this world is not so much where we stand as in what direction we are moving.