Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.

We die only once, and for such a long time.

Since you cannot do good to all, you are to pay special attention to those who, by the accidents of time, or place, or circumstances, are brought into closer connection with you.

Time is the substance from which I am made. Time is a river which carries me along, but I am the river it is a tiger that devours me, but I am the tiger it is a fire that consumes me, but I am the fire.

Happy is he who still loves something he loved in the nursery: He has not been broken in two by time he is not two men, but one, and he has saved not only his soul but his life.