He attributes his works to his real life experiences. He believes that because of these experiences, he has reached a place of perfect contentment and harmony. This is apparent in his works through the use of colors and textures.
In 1950 Theo moved to Nice where he continued to paint. He had his first
exhibition at the Palais de le Mediterranee in 1961 where he also won the grand prize. This helped him to make the decision to quit his other career and devote his time entirely to art.