Practically Useful Quotes

2 Practically Useful quotes by 2 unique authors

• We ought never to be afraid to repeat an ancient truth, when we feel that we can make it more striking by a neater turn,… — Luc de Clapiers
• The speculation about it is interesting but the impossibility of ever doing it is so certain that it is not practically useful. You have written… — Dr Robert H Goddard

Who Wrote These Practically Useful Quotes

2 authors contributed a total of 2 Practically Useful Quotes as follows:

• 1 Practically Useful Quote by Luc de Clapiers
• 1 Practically Useful Quote by Dr Robert H Goddard