Who said “He who never made a mistake, never made a discovery.”?

“I'd rather be strongly wrong than weakly right.”

“There is no original truth, only original error.”

“I love fools experiments. I am always making them.”

“There are few, very few, that will own themselves in a mistake.”

“No mans error becomes his own Law; nor obliges him to persist in it.”

“We often discover what will do, by finding out what will not do; and probably he who never made a mistake never made a discovery.”

“We learn wisdom from failure much more than from success. We often discover what will do, by finding out what will not do; and probably he who never made a mistake never made a discovery.”

“Enthusiasm... the sustaining power of all great action.”

“Life will always be to a large extent what we ourselves make it.”

“Man cannot aspire if he looked down; if he rise, he must look up.”

“The reason why so little is done, is generally because so little is attempted.”