What goes up must come down.

All that happens means something; nothing you do is ever insignificant.

Life is not divided into semesters. You don't get summers off and very few employers are interested in helping you find yourself.

If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.

I think it can be shown that the law makes ten criminals where it restrains one.

Enjoy when you can, and endure when you must.

I really had a lot of dreams when I was a kid, and I think a great deal of that grew out of the fact that I had a chance to read a lot.

I am not young enough to know everything.

Each life makes its own immitation of immortality.

The gratification of wealth is not found in mere possession or in lavish expenditure, but in its wise application.

Even when you think you have your life all mapped out, things happen that shape your destiny in ways you might never have imagined.

Being ignorant is not so much a shame, as being unwilling to learn.

Any idiot can face a crisis; it's this day-to-day living that wears you out.

As far as we can discern, the sole purpose of human existence is to kindle a light of meaning in the darkness of mere being.

There is one common struggle against those who have appropriated the earth, the money, and the machines.

History is a set of lies agreed upon.

Live your life and forget your age.

Your purpose in life is to find your purpose and give your whole heart and soul to it.

The only creatures that are evolved enough to convey pure love are dogs and infants.

In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things.

Live as if you were living a second time, and as though you had acted wrongly the first time.