A hundred times 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...
爱既不善良也不诚实,并且不会以任何可靠的方式促进幸福。
The secret of improved plant breeding, apart from scientific knowledge, is love.