I thank warmly the friends who remained loyal to me through the most difficult hours of my life. I do not name anyone in particular because I cannot name them all.
However, I consider myself justified in making an exception in the case of my companion, Natalia Ivanovna Sedova. In addition to the happiness of being a fighter for the cause of socialism, fate gave me the happiness of being her husband. During the almost forty years of our life together she remained an inexhaustible source of love, magnanimity, and tenderness. She underwent great sufferings, especially in the last period of our lives. But I find some comfort in the fact that she also knew days of happiness.

Trotsky's Testament (1940)