Ahmed Zewail

Chemistry Egyptian-American 1946 – 2016 419 quotes

He won the Nobel Prize for his pioneering work in femtochemistry, observing chemical reactions in real time.

Most quoted

"The difference between a good scientist and a great scientist is that the great one knows when to stop looking for the perfect answer and just publish the darn thing."

— from Advice to Students

"My colleagues sometimes ask why I spend so much time on such tiny things. I tell them, 'Because the big things are just collections of tiny things acting strangely.'"

— from Informal Conversation

"Some people see a glass half empty, others see it half full. I see it as a container with a certain volume of liquid, and I want to know its chemical composition."

— from Informal Chat

All quotes by Ahmed Zewail (419)

Time at the atomic scale reveals the secrets of eternity.

Journal Article 1991

Humor in the lab keeps the mind sharp and the spirit light.

Colleague Interview 1994

Life's meaning is found in the pursuit of truth.

Personal Reflection 2015

Innovation thrives where freedom of thought prevails.

World Economic Forum Speech 2001

Atoms don't discriminate; neither should scientists.

Diversity Lecture 2007

The Nobel is a beginning, not an end.

Nobel Acceptance Speech 1999

In femtochemistry, we capture the moment of change.

Research Presentation 1985

Wisdom is knowing when to question everything.

Book Foreword 2011

Science without ethics is a dangerous path.

Ethics Seminar 2004

Laughter is the best catalyst for collaboration.

Lab Anecdote 1996

The journey from Cairo to Caltech was fueled by dreams.

Autobiography Excerpt 2013

Global challenges demand global scientific unity.

International Conference 2008

Every experiment is a story waiting to be told.

Scientific Essay 1989

Resilience is the hallmark of true scientists.

Motivational Speech 2002

The past informs the future, but doesn't dictate it.

Historical Reflection 2014

Mentoring is the invisible force behind progress.

Mentor Award Speech 1997

Quantum leaps happen one femtosecond at a time.

Physics Colloquium 1992

In science, as in life, timing is everything.

Interview Quote 2006

Doubt is the engine of discovery.

Philosophical Note 1988

A witty remark can disarm the toughest debate.

Conference Banter 1993