Declare the past, diagnose the present, foretell the future.

Hippocrates of Cos

A man with outward courage dares to die; a man with inner courage dares to live.

Lao Tzu

Lay hold of today's task, and you will not need to depend so much upon tomorrow's.

Seneca

There is nothing on earth divine except humanity.

Walter Savage Landor

A willingness to be wrong in conversation can help you avoid being wrong in a costlier arena. Better to lose an argument than a fortune, or a war.

The Stoic Emperor

Humanity's best works are still ahead, in every single field, and this is likely to remain true for thousands of years.

François Chollet