"And there are a number of countries who are willing to accept him".
He also said that if they really want to help, the economic sanctions with which they suffocate the Bolivarian Government in its efforts to stabilize the social rights of the population must cease.
The president vowed that "peace will come" to the country next week, and that he will keep exercising power.
But the Venezuelan military has blocked the Tienditas International Bridge linking the two countries with two shipping containers and a tanker, which has become a symbol of Maduro's standoff with the United States and its European and South American allies.
Colombia has borne the brunt of the exodus of Venezuelans fleeing malnutrition and political turmoil in their once-prosperous nation, with about 800,000 flooding over the border and settling in Colombia.
"Any potential political use of humanitarian aid can generate risks, in particular for those the aid is meant to support", said the letter, signed by 15 non-governmental organizations, including Oxfam, Mercy Corps and Save the Children.
"If only potatoes or bananas were grown in Venezuela, nothing like that could ever happen, but we have lots of natural resources", he said.
"We will not allow them to form terrorist groups in Venezuela", he concluded.
Venezuelan President Nicolas Maduro slammed this as an attempted coup and severed diplomatic ties with the US. Today, our only enemy is fear.' Guaido said.
Guaido is trying to force Maduro from power, aiming to set up a transitional government and hold presidential elections.
The goods stored at the border city of Cucuta, which is just across the river from Venezuela, consist of corn, flour, lentils and cans of tuna.
The items were being packed by volunteers into individual bags for Venezuelan families.
Guaido's representative in Cucuta, Lester Toledo, said the provisions already delivered were the "first drops" and promised "a tsunami of humanitarian aid" would follow.
With so much political spin coming from every side in the Venezuelan crisis, perhaps it's no surprise the very meaning of humanitarian aid has been lost, too.
Venezuelan President Nicolas Maduro has slammed Washington's belligerent rhetoric towards his country in an open letter addressed to the American people.
Colombian officials and a CNN photojournalist at the scene confirmed the presence of the blockade, which would effectively prevent humanitarian aid from reaching Venezuela via this route.
The Geneva-based Inter-Parliamentary Union, which counts 178 parliaments as members, says it's also monitoring the impact of a Venezuelan Supreme Court decision "ordering a blanket investigation into possible criminal conduct by members of the National Assembly".
Guaido has declared himself interim president and has been recognized as such by dozens of countries, but Maduro, buoyed by support from the armed forces, has declined to step aside.
Huizenga said Friday that the committee has asked to send a mission to Venezuela, and has seen informal signs that this might be agreed.