If one lived for ever the joys of life would inevitably in the end lose their savour. As it is, they remain perennially fresh.

I suppose the advocates of unreason think that there is a better chance of profitably deceiving the populace if they keep it in a state of effervescence.

Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.

So far as I can remember, there is not one word in the Gospels in praise of intelligence.

What hunger is in relation to food, zest is in relation to life.

If all our happiness is bound up entirely in our personal circumstances it is difficult not to demand of life more than it has to give.

The axiomatic method has many advantages over honest work.