I don't think the human mind can comprehend the past and the future. They are both just illusions that can manipulate you into thinking there's some kind of change.

Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.

Memories which someday will become all beautiful when the last annoyance that encumbers them shall have faded out of our minds.

If you don't take change by the hand, it will take you by the throat.

You must be the change you wish to see in the world.

The most serious threat to our institutions comes from those who refuse to face the need for change.