Could the young but realize how soon they will become mere walking bundles of habits, they would give more heed to their conduct while in the plastic state.

William James

I wish our clever young poets would remember my homely definitions of prose and poetry that is prose words in their best order-poetry the best words in the best order.

Samuel Taylor Coleridge

When a nation’s young men are conservative, its funeral bell is already rung.

Henry Ward Beecher

When your friends begin to flatter you on how young you look, it's a sure sign you're getting old.

Mark Twain

There is no sadder sight than a young pessimist.

Mark Twain

Similarly, many a young man, hearing for the first time of the refraction of stellar light, has thought that doubt was cast on the whole of astronomy, whereas nothing is required but an easily effected and unimportant correction to put everything right again.

Ernst Mach

Young man, make your name worth something.

Andrew Carnegie

Be strong, my young friends; that is my advice to you. You will be nearer to Heaven through football than through the study of the Gita. These are bold words; but I have to say them, for I love you. I know where the shoe pinches.

Swami Vivekananda

I was a crazy young man who let himself be blinded by his passions and obeyed only the impulses of the moment.

Gustav Mahler

To many a man, and sometimes to a youth, there comes the opportunity to choose between honorable competence and tainted wealth. The young man who starts out to be poor and honorable, holds in his hand one of the strongest elements of success.

Orison Swett Marden

Young men's minds are always changeable, but when an old man is concerned in a matter, he looks both before and after.

Homer