An action, to have moral worth, must be done from duty.

Science is organized knowledge. Wisdom is organized life

It is beyond a doubt that all our knowledge begins with experience.

Rules for Happiness: something to do, someone to love, something to hope for.

We can judge the heart of a man by his treatment of animals.

Two things fill the mind with ever new and increasing admiration and awe, the oftener and more steadily we reflect on them: the starry heavens above me and the moral law within me.

Always recognize that human individuals are ends, and do not use them as means to your end.

Three things tell a man: his eyes, his friends and his favorite quotes

You only know me as you see me, not as I actually am

The greatest human quest is to know what one must do in order to become a human being.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Our dreams seldom approach us

Until you're grown-up they send you to reform school. After you're grown-up they send you to the penitentiary.

In union there is strength.

I am unable, mentally incapable, of relating the dead thing, the broken body refusing to divulge why or where the occupant has gone, to the thing that was alive.

Water is H2O, hydrogen two parts, oxygen one, but there is also a third thing, that makes it water and nobody knows what that is.

We're going to renegotiate our disastrous trade deals and illegal immigration. Stop the massive inflow of refugees.

I think that life expectancy over the last 10 years has increased dramatically. You're living longer.

How often we see the greatest genius buried in obscurity!

You are the master of your life, and the Universe is answering your every command.

First frost meant letting go, so it was always reason to celebrate.