Rational T-Shirts

Description: Rational (Ra-Ti-O-N-Al) Spelled with Periodic Elements! Our original Periodic-Tees Elements design. This high-energy tee contains elements Radium, Titanium, Oxygen, Nitrogen, and Aluminum!

Description: Rational Gaze

Description: Be Rational, Get Real

Description: Rational lyrics by Matt Maeson

Description: "For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him will believeth in anything. - Hitchens 3:16"

Description: Bertrand Russell portrait and quote: It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.

Description: Hegel Philosophy - Keepin it rational

Description: Are you an atheist and a rational person? Are you sober? Use logic and reason, and disdain dogmas? Great! Then this anti religion atheism design is for you. Great for all liberals who are pro science and trust it more than religion and an imaginary God. Our atheist designs are for all atheists agnostics and rational people who are anti religion and like to think for themselves. This funny atheism design is a great birthday gift for all atheists who support science as opposed to religion and imaginary God.

Description: Reading is the best way to learn new things, but you have to read new books to learn new things. Just reading your holy book over and over doesn't help.

Description: Rational Arguments Don't Usually Work on Religious People

Description: In Rearden We Trust

Description: I regret nothing.

Description: Save your breath, preserve your sanity, and stop arguing with unreasonable people. Makes a great gift for logical thinkers and exhausted debaters.

Description: Human values come from humans, not imaginary beings. Tired of religious people trying to say not believing makes you immoral when they use religion to justify their moral failings.

Description: AOYMA store´s main aim is to help you to find more in less by subtracting the obvious and adding the meaningful.

Description: I Don't Like Maple Syrup Said No Rational Person EVER! Women's Premium Tee

Description: For when the backlash hits.

Description: A funny math design featuring the square root of negative one and pi. Great gift for math teachers and anyone that loves math.

Description: Think T-Shirt - for all intellectuals, thinkers, and smart people out there.

Description: A great idea for his birthday, her birthday, Mother's day, Father's day, Christmas, for your husband, son or brother who is a great dad, birthday outfit for dad, perfect outfit for dad from daughter son and wife, unique presents for men, wife, daughter…

Description: Pi Get Real I Be Rational Mathematician Joke Math Students

Description: William Winwood Reade (December 26, 1838 – April 24, 1875) was a Scottish philosopher, historian, anthropologist and explorer born in Perthshire, Scotland. His best-known book, The Martyrdom of Man, was a controversial freethinking study of world history

Description: Mathematics Humor For Math Lovers, Teachers, And Students. This Design Features Get Real! Be Rational. Perfect For Mathematicians, Science Geeks, And Stem Enthusiasts Who Enjoy Funny Math Puns.

Description: Mathematics humor design featuring the phrase Get Real! Be Rational. Ideal for mathematicians, math teachers, students, and science lovers who enjoy funny math jokes and clever puns.

Description: Get Real! Be Rational. Math humor for mathematicians, math students, and math teachers. Clever number joke for math lovers.

Description: Science Doesn't Care What You Believe In.

Description: Science Doesn't Care What You Believe In.

Description: Science Doesn't Care What You Believe

Description: Science Doesn't Care What You Believe

Description: Science Doesn't Care What You Believe

Description: Science Doesn't Care What You Believe

Description: Mathematics pun for math students, teachers, science lovers, and STEM enthusiasts. This clever design features Get Real! Be Rational. Ideal for math geeks and professors.

Description: Get Real! Be Rational. Math Humor Design For Mathematicians Math Students And Math Teachers Who Love Funny Number Puns And Mathematics.

Description: Get Real! Be Rational. Perfect for mathematicians, math teachers, and math students who appreciate mathematics humor. A great design for anyone who loves math and intellectual jokes.

Description: Logo design inspired by Ragnar Danneskjöld's privateering co

Description: Science Doesn't Care What You You Believe In.