He failed to devise experiments to light bulb one thousand times, until his friend told him how to stop thinking like this, but he did not surrender his trial until he can devise light bulb.
He failed experiments with artificial light as much as a thousand times until his friends told me to stop thinking this way, but he did not give up until he was three, he invented the light bulb has been achieved.
He failed experiments with artificial light to one thousand times until his friends said เลิกความคิด like this but he won't give up his experiment until he can make a light bulb is successful