You can easily find people who are ten times as rich at sixty as they were at twenty but not one of them will tell you that they are ten times as happy
If you don't begin to be a revolutionist at the age of twenty, then at fifty you will be a most impossible old fossil. If you area red revolutionary at the age of twenty, you have some chance of being up-to-date when you are forty!
What the world wants today is twenty men and women who can dare to stand in the street yonder and say that they possess nothing but God. Who will go? Why should one fear? If this is true, what else could matter? If it is not true, what do our lives matter?
I'll try if I know all the things I used to know. Let me see: four times five is twelve, and four times six is thirteen, and four times seven is - oh dear! I shall never get to twenty at that rate!
I like to go back and read poems that I wrote fifty years ago, twenty years ago, and sometimes they surprise me - I didn't know I knew that then. Or maybe I didn't know it then, and I know more now.