It is this mythical, or rather symbolic, content of the religious traditions which is likely to come into conflict with science. This occurs whenever this religious stock of ideas contains dogmatically fixed statements on subjects which belong in the domain of science.

I am convinced there is only one way to eliminate these grave evils, namely through the establishment of a socialist economy, accompanied by an educational system which would be oriented toward social goals.

A clever person solves a problem. A wise person avoids it.

Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving.

Each of us visits this Earth involuntarily, and without an invitation. For me, it is enough to wonder at the secrets.

There's no question dolphins are smarter than humans as they play more.

Science will stagnate if it is made to serve practical goals.