Quotations on Theory | Quotations: 5 | Pages: 1
|
 |
by Samuel Johnson (September 18, 1709 - December 13, 1784) |
Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle. |
|
|
 |
|
|
|
 |
by Thomas Alva Edison (February 11, 1847 - October 18, 1931) |
I never once made a discovery I speak without exaggeration that I have constructed three thousand different theories in connection with the electric light Yet in only two cases ... |
|
|
 |
|
|
|
 |
by Denis Diderot (October 5, 1713 - July 31, 1784) |
In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far as it will go. |
|
|
 |
|
|
|
 |
by Voltaire (November 21, 1694 - May 30, 1778) |
Let us work without theorizing, 'Tis the only way to make life endurable. |
|
|
 |
|
|
|
 |
by Samuel Johnson (September 18, 1709 - December 13, 1784) |
Many things difficult to design prove easy to performance. |
|
|
 |
|
|
|
Authors with quotations on topic Theory:
|
|
|