Those who disregard the past are bound to repeat it.

Those who cannot remember the past, are condemned to repeat it.

We must welcome the future, remembering that soon it will be the past; and we must respect the past, remembering that it was once all that was humanly possible

Those who do not remember the past are condemned to repeat it.

We must welcome the future, remembering that soon it will be the past; and we must respect the past, remembering that it was once all that was humanly possible.

A string of excited, fugitive, miscellaneous pleasures is not happiness; happiness resides in imaginative reflection and judgment, when the picture of one's life, or of human life, as it truly has been or is, satisfies the will, and is gladly accepted.