Coincidence is God's way of remaining anonymous.
Only a life lived for others is a life worthwhile.
Two things are infinite: the universe and human stupidity; and I'm not sure about the universe..
Try not to become a man of success, but rather try to become a man of value.
Learn from yesterday, live for today, hope for tomorrow.
Great spirits have always encountered violent opposition from mediocre minds.
Look deep into nature, and then you will understand everything better.
All religions, arts and sciences are branches of the same tree.
A man should look for what is, and not for what he thinks should be.
The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.
Whoever is careless with the truth in small matters cannot be trusted with important matters.
The only reason for time is so that everything doesn't happen at once.
Sometimes one pays most for the things one gets for nothing.
If you can't explain it to a six year old, you don't understand it yourself.
Unthinking respect for authority is the greatest enemy of truth.
I believe in standarding automobiles. I do not believe in standarizing human beings.
The world is in greater peril from those who tolerate evil than from those who actually commit it.
Science can only flourish in an atmosphere of free speech.
Never do anything against conscience even if the state demands it.
We shall require a substantially new manner of thinking if mankind is to survive.
Science without religion is lame, religion without science is blind.
I believe that a simple and unassuming manner of life is best for everyone, best both for the body and the mind.
Although words exist for the most part for the transmission of ideas, there are some which produce such violent disturbance in our feelings that the role they play in the transmission of ideas is lost in the background.
There exists a passion for comprehension, just as there exists a passion for music. That passion is rather common in children, but gets lost in most people later on. Without this passion there would be neither mathematics nor natural science.
Strange is our situation here upon earth. Each of us comes for a short visit, not knowing why, yet sometimes seeming to divine a purpose.
From the standpoint of daily life, however, there is one thing we do know: that man is here for the sake of other men. Above all for those upon whose smile and well-being our own happiness depends, and also for the countless unknown souls with whose fate we are connected by a bond of sympathy. Many times a day I realize how much my own outer and inner life is built upon the labors of my fellow men, both living and dead, and how earnestly I must exert myself in order to give in return as much as I have received. My peace of mind is often troubled by the depressing sense that I have borrowed too heavily from the work of other men.
Never regard study as a duty, but as the enviable opportunity to learn to know the liberating influence of beauty in the realm of the Spirit for your own personal joy and to the profit of the community to which your later work belongs.
Schools need not preach political doctrine to defend democracy. If they shape men capable of critical thought and trained in social attitudes, that is all that is necessary.
Life is like riding a bicycle. To keep your balance you must keep moving.