It is a great mistake to suppose that thrift is caused only by fear; it springs from hope as well as from fear; where there is no hope, be sure there will be no thrift.

The cost of solving the Comet mystery must be reckoned neither in money nor in manpower.

I cannot pretend to be impartial about the colours. I rejoice with the brilliant ones, and am genuinely sorry for the poor browns.

I feel like an aeroplane at the end of its flight, in the dusk, with the petrol running out, in search of a safe landing.

Here is the answer which I will give to President Roosevelt. Give us the tools, and we will finish the job.

The tired parts of the mind can be rested and strengthened not merely by rest, but by using other parts.

It was my ambition all of my life to be master of the spoken word.