True love is eternal, infinite, and always like itself. It is equal and pure, without violent demonstrations: it is seen with white hairs and is always young in the heart. Honoré de Balzac
First, you know, a new theory is attacked as absurd; then it is admitted to be true, but obvious and insignificant; finally it is seen to be so important that its adversaries claim that they themselves discovered it. William James
No truth can be said to be seen as it is until it is seen in its relation to all other truths. In this relation only is it true. Elizabeth Prentiss
A shadow will appear dark in proportion to the brilliancy of the light surrounding it and conversely it will be less conspicuous where it is seen against a darker background. Leonardo da Vinci
A dark object seen against a bright background will appear smaller than it is. A light object will look larger when it is seen against a background darker than itself. Leonardo da Vinci
The evil is lessened when it is seen beforehand. Latin Proverb