In nature, there is less death and destruction than death and transmutation.

It is morally as bad not to care whether a thing is true or not, so long as it makes you feel good, as it is not to care how you got your money as long as you have got it.

For man, autumn is a time of harvest, of gathering together. For nature, it is a time of sowing, of scattering abroad.

Change is a measure of time and, in the autumn, time seems speeded up. What was is not and never again will be; what is is change.

Freedom from worries and surcease from strain are illusions that always inhabit the distance.

Time and space - time to be alone, space to move about - these may well become the great scarcities of tomorrow.

You can prove almost anything with the evidence of a small enough segment of time. How often, in any search for truth, the answer of the minute is positive, the answer of the hour qualified, the answers of the year contradictory!