Three Periods Quotes

8 quotes by 7 authors

• New ideas pass through three periods: 1) It can't be done. 2) It probably can be done, but it's not worth doing. 3) I knew… — Arthur C. Clarke
• There are three periods in life: youth, middle age and "how well you look". — Nelson Rockefeller
• Life is divided into three periods: that which has been, that which is, that which will be. Of these the present is short, the future… — Seneca the Younger
• All human affairs follow nature's great analogue, the growth of vegetation. There are three periods of growth in every plant. The first, and slowest, is… — Henry Ward Beecher
• Every mathematical discipline goes through three periods of development: the naive, the formal, and the critical. — David Hilbert
• The teacher's life should have three periods, study until twenty-five, investigation until forty, profession until sixty, at which age I would have him retired on… — William Osler
• When a man does a household job, he goes through three periods: contemplating how it will be done; contemplating when it will be done; and… — Marcelene Cox

Who Wrote These Three Periods Quotes

7 authors contributed a total of 8 Three Periods Quotes as follows:

• 1 Three Periods Quote by Arthur C. Clarke
• 1 Three Periods Quote by Nelson Rockefeller
• 1 Three Periods Quote by Seneca the Younger
• 1 Three Periods Quote by Henry Ward Beecher
• 1 Three Periods Quote by David Hilbert
• 1 Three Periods Quote by William Osler
• 1 Three Periods Quote by Marcelene Cox